172463153617672 has 32 divisors (see below), whose sum is σ = 330250092969600. Its totient is φ = 84396478836544.

The previous prime is 172463153617661. The next prime is 172463153617687. The reversal of 172463153617672 is 276716351364271.

It is a super-3 number, since 3×172463153617672³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 172463153617672.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93087579 + ... + 94922197.

It is an arithmetic number, because the mean of its divisors is an integer number (10320315405300).

Almost surely, 2^{172463153617672} is an apocalyptic number.

It is an amenable number.

172463153617672 is a deficient number, since it is larger than the sum of its proper divisors (157786939351928).

172463153617672 is a wasteful number, since it uses less digits than its factorization.

172463153617672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084685 (or 2084681 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 61.

The spelling of 172463153617672 in words is "one hundred seventy-two trillion, four hundred sixty-three billion, one hundred fifty-three million, six hundred seventeen thousand, six hundred seventy-two".