165515133360312 has 80 divisors (see below), whose sum is σ = 465105712200360. Its totient is φ = 54991998639936.

The previous prime is 165515133360271. The next prime is 165515133360349. The reversal of 165515133360312 is 213063331515561.

165515133360312 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 1 + 5 + 1 + 3 + 33 + 603 + 1 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 415802023 + ... + 416199894.

Almost surely, 2^{165515133360312} is an apocalyptic number.

165515133360312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165515133360312 is an abundant number, since it is smaller than the sum of its proper divisors (299590578840048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165515133360312 is a wasteful number, since it uses less digits than its factorization.

165515133360312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832002242 (or 832002229 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 45.

Adding to 165515133360312 its reverse (213063331515561), we get a palindrome (378578464875873).

The spelling of 165515133360312 in words is "one hundred sixty-five trillion, five hundred fifteen billion, one hundred thirty-three million, three hundred sixty thousand, three hundred twelve".