166900670712 has 96 divisors (see below), whose sum is σ = 459170506080. Its totient is φ = 54756495360.

The previous prime is 166900670711. The next prime is 166900670773. The reversal of 166900670712 is 217076009661.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166900670711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3003888 + ... + 3058944.

It is an arithmetic number, because the mean of its divisors is an integer number (4783026105).

Almost surely, 2^166900670712 is an apocalyptic number.

166900670712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166900670712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229585253040).

166900670712 is an abundant number, since it is smaller than the sum of its proper divisors (292269835368).

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

166900670712 is a wasteful number, since it uses less digits than its factorization.

166900670712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55733 (or 55726 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 166900670712 in words is "one hundred sixty-six billion, nine hundred million, six hundred seventy thousand, seven hundred twelve".