172316134836 has 48 divisors (see below), whose sum is σ = 462150561600. Its totient is φ = 55458065376.

The previous prime is 172316134777. The next prime is 172316134867. The reversal of 172316134836 is 638431613271.

172316134836 is a `hidden beast` number, since 1 + 7 + 2 + 3 + 161 + 3 + 483 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 172316134791 and 172316134800.

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, 27505830 + ... + 27512093.

It is an arithmetic number, because the mean of its divisors is an integer number (9628136700).

Almost surely, 2^172316134836 is an apocalyptic number.

It is an amenable number.

172316134836 is an abundant number, since it is smaller than the sum of its proper divisors (289834426764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172316134836 is a wasteful number, since it uses less digits than its factorization.

172316134836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55017965 (or 55017957 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The spelling of 172316134836 in words is "one hundred seventy-two billion, three hundred sixteen million, one hundred thirty-four thousand, eight hundred thirty-six".