166152382624 has 24 divisors (see below), whose sum is σ = 328540956660. Its totient is φ = 82713409536.

The previous prime is 166152382601. The next prime is 166152382691. The reversal of 166152382624 is 426283251661.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 127606128400 + 38546254224 = 357220^2 + 196332^2 .

It is a super-2 number, since 2×166152382624² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11329489 + ... + 11344144.

Almost surely, 2^166152382624 is an apocalyptic number.

It is an amenable number.

166152382624 is a deficient number, since it is larger than the sum of its proper divisors (162388574036).

166152382624 is a wasteful number, since it uses less digits than its factorization.

166152382624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22673872 (or 22673864 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The spelling of 166152382624 in words is "one hundred sixty-six billion, one hundred fifty-two million, three hundred eighty-two thousand, six hundred twenty-four".