165015610655612 has 12 divisors (see below), whose sum is σ = 288777437281536. Its totient is φ = 82507771432320.

The previous prime is 165015610655591. The next prime is 165015610655689. The reversal of 165015610655612 is 216556016510561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4785068 + ... + 18786380.

It is an arithmetic number, because the mean of its divisors is an integer number (24064786440128).

Almost surely, 2^{165015610655612} is an apocalyptic number.

It is an amenable number.

165015610655612 is a deficient number, since it is larger than the sum of its proper divisors (123761826625924).

165015610655612 is a wasteful number, since it uses less digits than its factorization.

165015610655612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16947748 (or 16947746 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 50.

The spelling of 165015610655612 in words is "one hundred sixty-five trillion, fifteen billion, six hundred ten million, six hundred fifty-five thousand, six hundred twelve".