172664150 has 12 divisors (see below), whose sum is σ = 321155412. Its totient is φ = 69065640.

The previous prime is 172664143. The next prime is 172664179. The reversal of 172664150 is 51466271.

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 5 ways as a sum of consecutive naturals, for example, 1726592 + ... + 1726691.

It is an arithmetic number, because the mean of its divisors is an integer number (26762951).

Almost surely, 2^172664150 is an apocalyptic number.

172664150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172664150 is a deficient number, since it is larger than the sum of its proper divisors (148491262).

172664150 is a wasteful number, since it uses less digits than its factorization.

172664150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453295 (or 3453290 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 172664150 is about 13140.1731343236. The cubic root of 172664150 is about 556.8446588397.

The spelling of 172664150 in words is "one hundred seventy-two million, six hundred sixty-four thousand, one hundred fifty".