165556656132016 has 10 divisors (see below), whose sum is σ = 320766021255812. Its totient is φ = 82778328066000.

The previous prime is 165556656131989. The next prime is 165556656132041. The reversal of 165556656132016 is 610231656655561.

It is a super-2 number, since 2×165556656132016² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5173645504110 + ... + 5173645504141.

Almost surely, 2^{165556656132016} is an apocalyptic number.

165556656132016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165556656132016 is a deficient number, since it is larger than the sum of its proper divisors (155209365123796).

165556656132016 is a wasteful number, since it uses less digits than its factorization.

165556656132016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10347291008259 (or 10347291008253 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 58.

The spelling of 165556656132016 in words is "one hundred sixty-five trillion, five hundred fifty-six billion, six hundred fifty-six million, one hundred thirty-two thousand, sixteen".