172153008 has 120 divisors (see below), whose sum is σ = 502299200. Its totient is φ = 54991872.

The previous prime is 172152997. The next prime is 172153043. The reversal of 172153008 is 800351271.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420708 + ... + 421116.

Almost surely, 2^172153008 is an apocalyptic number.

172153008 is a gapful number since it is divisible by the number (18) 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 172153008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251149600).

172153008 is an abundant number, since it is smaller than the sum of its proper divisors (330146192).

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

172153008 is a wasteful number, since it uses less digits than its factorization.

172153008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 530 counting only the distinct ones).

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

The square root of 172153008 is about 13120.7091271775. The cubic root of 172153008 is about 556.2946353443.

The spelling of 172153008 in words is "one hundred seventy-two million, one hundred fifty-three thousand, eight".