172541744832 has 112 divisors (see below), whose sum is σ = 460594122752. Its totient is φ = 57001190400.

The previous prime is 172541744819. The next prime is 172541744887. The reversal of 172541744832 is 238447145271.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27380082 + ... + 27386382.

Almost surely, 2^172541744832 is an apocalyptic number.

172541744832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172541744832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230297061376).

172541744832 is an abundant number, since it is smaller than the sum of its proper divisors (288052377920).

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

172541744832 is a wasteful number, since it uses less digits than its factorization.

172541744832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7566 (or 7556 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 48.

The spelling of 172541744832 in words is "one hundred seventy-two billion, five hundred forty-one million, seven hundred forty-four thousand, eight hundred thirty-two".