165170653560064 has 36 divisors (see below), whose sum is σ = 329709180979584. Its totient is φ = 82582052453888.

The previous prime is 165170653560047. The next prime is 165170653560097. The reversal of 165170653560064 is 460065356071561.

It is a junction number, because it is equal to n+sod(n) for n = 165170653559987 and 165170653560014.

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, 6314482 + ... + 19240945.

It is an arithmetic number, because the mean of its divisors is an integer number (9158588360544).

Almost surely, 2^{165170653560064} is an apocalyptic number.

It is an amenable number.

165170653560064 is a deficient number, since it is larger than the sum of its proper divisors (164538527419520).

165170653560064 is an equidigital number, since it uses as much as digits as its factorization.

165170653560064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25580690 (or 25580676 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 55.

The spelling of 165170653560064 in words is "one hundred sixty-five trillion, one hundred seventy billion, six hundred fifty-three million, five hundred sixty thousand, sixty-four".