166915432832112 has 100 divisors (see below), whose sum is σ = 484062131322000. Its totient is φ = 55527864118272.

The previous prime is 166915432832107. The next prime is 166915432832117. The reversal of 166915432832112 is 211238234519661.

166915432832112 is a `hidden beast` number, since 1 + 6 + 6 + 9 + 1 + 543 + 2 + 83 + 2 + 1 + 12 = 666.

166915432832112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166915432832107) and next prime (166915432832117).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166915432832117) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 127372737 + ... + 128676512.

It is an arithmetic number, because the mean of its divisors is an integer number (4840621313220).

Almost surely, 2^{166915432832112} is an apocalyptic number.

166915432832112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166915432832112 is an abundant number, since it is smaller than the sum of its proper divisors (317146698489888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166915432832112 is a wasteful number, since it uses less digits than its factorization.

166915432832112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256049772 (or 256049757 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 166915432832112 in words is "one hundred sixty-six trillion, nine hundred fifteen billion, four hundred thirty-two million, eight hundred thirty-two thousand, one hundred twelve".