165562311155351 has 8 divisors (see below), whose sum is σ = 180613868307600. Its totient is φ = 150510826995840.

The previous prime is 165562311155341. The next prime is 165562311155357. The reversal of 165562311155351 is 153551113265561.

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 165562311155351 - 2¹⁰ = 165562311154327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165562311155351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165562311155357) 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, 13450736 + ... + 22628453.

It is an arithmetic number, because the mean of its divisors is an integer number (22576733538450).

Almost surely, 2^{165562311155351} is an apocalyptic number.

165562311155351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

165562311155351 is a deficient number, since it is larger than the sum of its proper divisors (15051557152249).

165562311155351 is a wasteful number, since it uses less digits than its factorization.

165562311155351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36496369.

The product of its digits is 2025000, while the sum is 50.

The spelling of 165562311155351 in words is "one hundred sixty-five trillion, five hundred sixty-two billion, three hundred eleven million, one hundred fifty-five thousand, three hundred fifty-one".