172852664 has 8 divisors (see below), whose sum is σ = 324098760. Its totient is φ = 86426328.

The previous prime is 172852661. The next prime is 172852703. The reversal of 172852664 is 466258271.

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 (172852661) by changing a digit.

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 as a sum of consecutive naturals, namely, 10803284 + ... + 10803299.

It is an arithmetic number, because the mean of its divisors is an integer number (40512345).

Almost surely, 2^172852664 is an apocalyptic number.

It is an amenable number.

172852664 is a deficient number, since it is larger than the sum of its proper divisors (151246096).

172852664 is a wasteful number, since it uses less digits than its factorization.

172852664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21606589 (or 21606585 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 172852664 is about 13147.3443706324. The cubic root of 172852664 is about 557.0472386922.

The spelling of 172852664 in words is "one hundred seventy-two million, eight hundred fifty-two thousand, six hundred sixty-four".