165061602650416 has 40 divisors (see below), whose sum is σ = 320838706865664. Its totient is φ = 82264522858560.

The previous prime is 165061602650377. The next prime is 165061602650443. The reversal of 165061602650416 is 614056206160561.

It is a self number, because there is not a number n which added to its sum of digits gives 165061602650416.

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, 838173435 + ... + 838370341.

Almost surely, 2^{165061602650416} is an apocalyptic number.

165061602650416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165061602650416 is a deficient number, since it is larger than the sum of its proper divisors (155777104215248).

165061602650416 is a wasteful number, since it uses less digits than its factorization.

165061602650416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365689 (or 365683 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 165061602650416 in words is "one hundred sixty-five trillion, sixty-one billion, six hundred two million, six hundred fifty thousand, four hundred sixteen".