165080631 has 8 divisors (see below), whose sum is σ = 220324720. Its totient is φ = 109945152.

The previous prime is 165080621. The next prime is 165080639. The reversal of 165080631 is 136080561.

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

It is not a de Polignac number, because 165080631 - 2⁹ = 165080119 is a prime.

It is a super-2 number, since 2×165080631² = 54503229462716322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165080639) 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, 23536 + ... + 29733.

It is an arithmetic number, because the mean of its divisors is an integer number (27540590).

Almost surely, 2^165080631 is an apocalyptic number.

165080631 is a deficient number, since it is larger than the sum of its proper divisors (55244089).

165080631 is a wasteful number, since it uses less digits than its factorization.

165080631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54305.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 165080631 is about 12848.3707527453. The cubic root of 165080631 is about 548.5699832067.

The spelling of 165080631 in words is "one hundred sixty-five million, eighty thousand, six hundred thirty-one".