165242630636 has 12 divisors (see below), whose sum is σ = 289178588160. Its totient is φ = 82620176880.

The previous prime is 165242630617. The next prime is 165242630647. The reversal of 165242630636 is 636036242561.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99605 + ... + 583443.

It is an arithmetic number, because the mean of its divisors is an integer number (24098215680).

Almost surely, 2^165242630636 is an apocalyptic number.

It is an amenable number.

165242630636 is a deficient number, since it is larger than the sum of its proper divisors (123935957524).

165242630636 is a wasteful number, since it uses less digits than its factorization.

165242630636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569224 (or 569222 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 165242630636 in words is "one hundred sixty-five billion, two hundred forty-two million, six hundred thirty thousand, six hundred thirty-six".