165646520102444 has 24 divisors (see below), whose sum is σ = 294213664464048. Its totient is φ = 81585520727040.

The previous prime is 165646520102431. The next prime is 165646520102471. The reversal of 165646520102444 is 444201025646561.

It is a junction number, because it is equal to n+sod(n) for n = 165646520102392 and 165646520102401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8051324 + ... + 19902684.

It is an arithmetic number, because the mean of its divisors is an integer number (12258902686002).

Almost surely, 2^{165646520102444} is an apocalyptic number.

It is an amenable number.

165646520102444 is a deficient number, since it is larger than the sum of its proper divisors (128567144361604).

165646520102444 is a wasteful number, since it uses less digits than its factorization.

165646520102444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11903585 (or 11903583 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 50.

The spelling of 165646520102444 in words is "one hundred sixty-five trillion, six hundred forty-six billion, five hundred twenty million, one hundred two thousand, four hundred forty-four".