166011431352 has 64 divisors (see below), whose sum is σ = 447872033280. Its totient is φ = 50975505792.

The previous prime is 166011431347. The next prime is 166011431363. The reversal of 166011431352 is 253134110661.

It is a happy number.

166011431352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394348 + ... + 698235.

It is an arithmetic number, because the mean of its divisors is an integer number (6998000520).

Almost surely, 2^166011431352 is an apocalyptic number.

166011431352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166011431352 is an abundant number, since it is smaller than the sum of its proper divisors (281860601928).

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

166011431352 is a wasteful number, since it uses less digits than its factorization.

166011431352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093092 (or 1093088 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 166011431352 in words is "one hundred sixty-six billion, eleven million, four hundred thirty-one thousand, three hundred fifty-two".