172413810506 has 24 divisors (see below), whose sum is σ = 302015151396. Its totient is φ = 73604106240.

The previous prime is 172413810487. The next prime is 172413810511. The reversal of 172413810506 is 605018314271.

It can be written as a sum of positive squares in 2 ways, for example, as 102537646225 + 69876164281 = 320215^2 + 264341^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 172413810506.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3397625 + ... + 3447996.

Almost surely, 2^172413810506 is an apocalyptic number.

172413810506 is a deficient number, since it is larger than the sum of its proper divisors (129601340890).

172413810506 is a wasteful number, since it uses less digits than its factorization.

172413810506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6845894 (or 6845887 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 172413810506 in words is "one hundred seventy-two billion, four hundred thirteen million, eight hundred ten thousand, five hundred six".