166157505032 has 16 divisors (see below), whose sum is σ = 318790562640. Its totient is φ = 81146688336.

The previous prime is 166157505029. The next prime is 166157505061. The reversal of 166157505032 is 230505751661.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241507658 + ... + 241508345.

It is an arithmetic number, because the mean of its divisors is an integer number (19924410165).

Almost surely, 2^166157505032 is an apocalyptic number.

It is an amenable number.

166157505032 is a deficient number, since it is larger than the sum of its proper divisors (152633057608).

166157505032 is a wasteful number, since it uses less digits than its factorization.

166157505032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483016052 (or 483016048 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 166157505032 in words is "one hundred sixty-six billion, one hundred fifty-seven million, five hundred five thousand, thirty-two".