172150474636530 has 96 divisors (see below), whose sum is σ = 482257736513280. Its totient is φ = 42354718369920.

The previous prime is 172150474636507. The next prime is 172150474636549. The reversal of 172150474636530 is 35636474051271.

172150474636530 is a `hidden beast` number, since 1 + 7 + 2 + 1 + 5 + 0 + 4 + 74 + 6 + 36 + 530 = 666.

It is a super-2 number, since 2×172150474636530² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33695086 + ... + 38466345.

It is an arithmetic number, because the mean of its divisors is an integer number (5023518088680).

Almost surely, 2^{172150474636530} is an apocalyptic number.

172150474636530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172150474636530 is an abundant number, since it is smaller than the sum of its proper divisors (310107261876750).

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

172150474636530 is a wasteful number, since it uses less digits than its factorization.

172150474636530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72163496 (or 72163493 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 54.

The spelling of 172150474636530 in words is "one hundred seventy-two trillion, one hundred fifty billion, four hundred seventy-four million, six hundred thirty-six thousand, five hundred thirty".