264172208 has 20 divisors (see below), whose sum is σ = 518315040. Its totient is φ = 130413504.

The previous prime is 264172199. The next prime is 264172217. The reversal of 264172208 is 802271462.

It is an interprime number because it is at equal distance from previous prime (264172199) and next prime (264172217).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103235 + ... + 105762.

It is an arithmetic number, because the mean of its divisors is an integer number (25915752).

Almost surely, 2^264172208 is an apocalyptic number.

It is an amenable number.

264172208 is a deficient number, since it is larger than the sum of its proper divisors (254142832).

264172208 is a wasteful number, since it uses less digits than its factorization.

264172208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209084 (or 209078 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 264172208 is about 16253.3752802303. The cubic root of 264172208 is about 641.6463213054.

The spelling of 264172208 in words is "two hundred sixty-four million, one hundred seventy-two thousand, two hundred eight".