172613955768 has 64 divisors (see below), whose sum is σ = 457106729760. Its totient is φ = 54131183616.

The previous prime is 172613955743. The next prime is 172613955793. The reversal of 172613955768 is 867559316271.

It is an interprime number because it is at equal distance from previous prime (172613955743) and next prime (172613955793).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 923446 + ... + 1094522.

Almost surely, 2^172613955768 is an apocalyptic number.

It is an amenable number.

172613955768 is an abundant number, since it is smaller than the sum of its proper divisors (284492773992).

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

172613955768 is a wasteful number, since it uses less digits than its factorization.

172613955768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173576 (or 173572 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 60.

The spelling of 172613955768 in words is "one hundred seventy-two billion, six hundred thirteen million, nine hundred fifty-five thousand, seven hundred sixty-eight".