166655516152 has 64 divisors (see below), whose sum is σ = 341650103040. Its totient is φ = 75870259200.

The previous prime is 166655516117. The next prime is 166655516177. The reversal of 166655516152 is 251615556661.

It is a super-2 number, since 2×166655516152² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166655516096 and 166655516105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17959738 + ... + 17969014.

It is an arithmetic number, because the mean of its divisors is an integer number (5338282860).

Almost surely, 2^166655516152 is an apocalyptic number.

It is an amenable number.

166655516152 is an abundant number, since it is smaller than the sum of its proper divisors (174994586888).

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

166655516152 is a wasteful number, since it uses less digits than its factorization.

166655516152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13592 (or 13588 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 49.

The spelling of 166655516152 in words is "one hundred sixty-six billion, six hundred fifty-five million, five hundred sixteen thousand, one hundred fifty-two".