166523615151232 has 64 divisors (see below), whose sum is σ = 332343497404800. Its totient is φ = 83112045952000.

The previous prime is 166523615151211. The next prime is 166523615151269. The reversal of 166523615151232 is 232151516325661.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×166523615151232² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161183769 + ... + 162213607.

It is an arithmetic number, because the mean of its divisors is an integer number (5192867146950).

Almost surely, 2^{166523615151232} is an apocalyptic number.

It is an amenable number.

166523615151232 is a deficient number, since it is larger than the sum of its proper divisors (165819882253568).

166523615151232 is a wasteful number, since it uses less digits than its factorization.

166523615151232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032125 (or 1032113 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 49.

The spelling of 166523615151232 in words is "one hundred sixty-six trillion, five hundred twenty-three billion, six hundred fifteen million, one hundred fifty-one thousand, two hundred thirty-two".