165623330052613 has 8 divisors (see below), whose sum is σ = 166654365049088. Its totient is φ = 164594869426944.

The previous prime is 165623330052589. The next prime is 165623330052617. The reversal of 165623330052613 is 316250033326561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165623330052613 - 2⁹ = 165623330052101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165623330052617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643463631 + ... + 643720972.

It is an arithmetic number, because the mean of its divisors is an integer number (20831795631136).

Almost surely, 2^{165623330052613} is an apocalyptic number.

It is an amenable number.

165623330052613 is a deficient number, since it is larger than the sum of its proper divisors (1031034996475).

165623330052613 is a wasteful number, since it uses less digits than its factorization.

165623330052613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287185403.

The product of its (nonzero) digits is 1749600, while the sum is 46.

The spelling of 165623330052613 in words is "one hundred sixty-five trillion, six hundred twenty-three billion, three hundred thirty million, fifty-two thousand, six hundred thirteen".