166152810927 has 16 divisors (see below), whose sum is σ = 221856122880. Its totient is φ = 110609095392.

The previous prime is 166152810913. The next prime is 166152810931. The reversal of 166152810927 is 729018251661.

It is a happy number.

It is not a de Polignac number, because 166152810927 - 2⁸ = 166152810671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166152810127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12619974 + ... + 12633132.

It is an arithmetic number, because the mean of its divisors is an integer number (13866007680).

Almost surely, 2^166152810927 is an apocalyptic number.

166152810927 is a deficient number, since it is larger than the sum of its proper divisors (55703311953).

166152810927 is a wasteful number, since it uses less digits than its factorization.

166152810927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18902.

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 166152810927 in words is "one hundred sixty-six billion, one hundred fifty-two million, eight hundred ten thousand, nine hundred twenty-seven".