172083405688 has 64 divisors (see below), whose sum is σ = 342237168000. Its totient is φ = 80891395200.

The previous prime is 172083405677. The next prime is 172083405701. The reversal of 172083405688 is 886504380271.

It is a super-2 number, since 2×172083405688² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13502023 + ... + 13514761.

It is an arithmetic number, because the mean of its divisors is an integer number (5347455750).

Almost surely, 2^172083405688 is an apocalyptic number.

It is an amenable number.

172083405688 is a deficient number, since it is larger than the sum of its proper divisors (170153762312).

172083405688 is a wasteful number, since it uses less digits than its factorization.

172083405688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13436 (or 13432 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 172083405688 in words is "one hundred seventy-two billion, eighty-three million, four hundred five thousand, six hundred eighty-eight".