172064108434 has 16 divisors (see below), whose sum is σ = 260978855256. Its totient is φ = 85073296000.

The previous prime is 172064108371. The next prime is 172064108443. The reversal of 172064108434 is 434801460271.

It can be written as a sum of positive squares in 4 ways, for example, as 158280644025 + 13783464409 = 397845^2 + 117403^2 .

It is a super-2 number, since 2×172064108434² (a number of 23 digits) contains 22 as substring.

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, 373387 + ... + 695374.

Almost surely, 2^172064108434 is an apocalyptic number.

172064108434 is a deficient number, since it is larger than the sum of its proper divisors (88914746822).

172064108434 is a wasteful number, since it uses less digits than its factorization.

172064108434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069661.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 172064108434 in words is "one hundred seventy-two billion, sixty-four million, one hundred eight thousand, four hundred thirty-four".