172671510472 has 16 divisors (see below), whose sum is σ = 323768388060. Its totient is φ = 86333273664.

The previous prime is 172671510467. The next prime is 172671510481. The reversal of 172671510472 is 274015176271.

It can be written as a sum of positive squares in 2 ways, for example, as 171053379396 + 1618131076 = 413586^2 + 40226^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4278 + ... + 587674.

Almost surely, 2^172671510472 is an apocalyptic number.

It is an amenable number.

172671510472 is a deficient number, since it is larger than the sum of its proper divisors (151096877588).

172671510472 is a wasteful number, since it uses less digits than its factorization.

172671510472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620400 (or 620396 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 43.

The spelling of 172671510472 in words is "one hundred seventy-two billion, six hundred seventy-one million, five hundred ten thousand, four hundred seventy-two".