172153080 has 256 divisors, whose sum is σ = 642470400. Its totient is φ = 40642560.

The previous prime is 172153073. The next prime is 172153099. The reversal of 172153080 is 80351271.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 510672 + ... + 511008.

It is an arithmetic number, because the mean of its divisors is an integer number (2509650).

Almost surely, 2^172153080 is an apocalyptic number.

172153080 is a gapful number since it is divisible by the number (10) 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 172153080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321235200).

172153080 is an abundant number, since it is smaller than the sum of its proper divisors (470317320).

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

172153080 is a wasteful number, since it uses less digits than its factorization.

172153080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 172153080 is about 13120.7118709314. The cubic root of 172153080 is about 556.2947128978.

The spelling of 172153080 in words is "one hundred seventy-two million, one hundred fifty-three thousand, eighty".