172167088540 has 24 divisors (see below), whose sum is σ = 369959047920. Its totient is φ = 67265280768.

The previous prime is 172167088531. The next prime is 172167088579. The reversal of 172167088540 is 45880761271.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 100096285 + ... + 100098004.

It is an arithmetic number, because the mean of its divisors is an integer number (15414960330).

Almost surely, 2^172167088540 is an apocalyptic number.

172167088540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172167088540 is an abundant number, since it is smaller than the sum of its proper divisors (197791959380).

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

172167088540 is a wasteful number, since it uses less digits than its factorization.

172167088540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200194341 (or 200194339 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 49.

The spelling of 172167088540 in words is "one hundred seventy-two billion, one hundred sixty-seven million, eighty-eight thousand, five hundred forty".