172351064 has 8 divisors (see below), whose sum is σ = 323158260. Its totient is φ = 86175528.

The previous prime is 172351063. The next prime is 172351087. The reversal of 172351064 is 460153271.

172351064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172351063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10771934 + ... + 10771949.

Almost surely, 2^172351064 is an apocalyptic number.

It is an amenable number.

172351064 is a deficient number, since it is larger than the sum of its proper divisors (150807196).

172351064 is a wasteful number, since it uses less digits than its factorization.

172351064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21543889 (or 21543885 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 172351064 is about 13128.2544155725. The cubic root of 172351064 is about 556.5078860774.

The spelling of 172351064 in words is "one hundred seventy-two million, three hundred fifty-one thousand, sixty-four".