10664375 has 20 divisors (see below), whose sum is σ = 13533168. Its totient is φ = 8400000.

The previous prime is 10664371. The next prime is 10664449. The reversal of 10664375 is 57346601.

It is not a de Polignac number, because 10664375 - 2² = 10664371 is a prime.

It is a super-2 number, since 2×10664375² = 227457788281250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10664371) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 70550 + ... + 70700.

Almost surely, 2^10664375 is an apocalyptic number.

10664375 is a deficient number, since it is larger than the sum of its proper divisors (2868793).

10664375 is an equidigital number, since it uses as much as digits as its factorization.

10664375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 10664375 is about 3265.6354664904. The cubic root of 10664375 is about 220.1127177209.

The spelling of 10664375 in words is "ten million, six hundred sixty-four thousand, three hundred seventy-five".