165077503163 has 8 divisors (see below), whose sum is σ = 168206316768. Its totient is φ = 161949213504.

The previous prime is 165077503159. The next prime is 165077503169. The reversal of 165077503163 is 361305770561.

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 165077503163 - 2² = 165077503159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165077503169) 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, 537095 + ... + 786527.

It is an arithmetic number, because the mean of its divisors is an integer number (21025789596).

Almost surely, 2^165077503163 is an apocalyptic number.

165077503163 is a deficient number, since it is larger than the sum of its proper divisors (3128813605).

165077503163 is a wasteful number, since it uses less digits than its factorization.

165077503163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261973.

The product of its (nonzero) digits is 396900, while the sum is 44.

The spelling of 165077503163 in words is "one hundred sixty-five billion, seventy-seven million, five hundred three thousand, one hundred sixty-three".