172829860158 has 16 divisors (see below), whose sum is σ = 360688404096. Its totient is φ = 55105172760.

The previous prime is 172829860141. The next prime is 172829860183. The reversal of 172829860158 is 851068928271.

It is a junction number, because it is equal to n+sod(n) for n = 172829860098 and 172829860107.

It is a congruent number.

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, 626195008 + ... + 626195283.

It is an arithmetic number, because the mean of its divisors is an integer number (22543025256).

Almost surely, 2^172829860158 is an apocalyptic number.

172829860158 is an abundant number, since it is smaller than the sum of its proper divisors (187858543938).

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

172829860158 is a wasteful number, since it uses less digits than its factorization.

172829860158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252390319.

The product of its (nonzero) digits is 3870720, while the sum is 57.

The spelling of 172829860158 in words is "one hundred seventy-two billion, eight hundred twenty-nine million, eight hundred sixty thousand, one hundred fifty-eight".