165651345010613 has 12 divisors (see below), whose sum is σ = 208090945799520. Its totient is φ = 129078970137480.

The previous prime is 165651345010609. The next prime is 165651345010633. The reversal of 165651345010613 is 316010543156561.

It is not a de Polignac number, because 165651345010613 - 2² = 165651345010609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165651345010633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97787097743 + ... + 97787099436.

It is an arithmetic number, because the mean of its divisors is an integer number (17340912149960).

Almost surely, 2^{165651345010613} is an apocalyptic number.

It is an amenable number.

165651345010613 is a deficient number, since it is larger than the sum of its proper divisors (42439600788907).

165651345010613 is a wasteful number, since it uses less digits than its factorization.

165651345010613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195574197208 (or 195574197197 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 165651345010613 in words is "one hundred sixty-five trillion, six hundred fifty-one billion, three hundred forty-five million, ten thousand, six hundred thirteen".