10256664 has 32 divisors (see below), whose sum is σ = 27973440. Its totient is φ = 3108000.

The previous prime is 10256663. The next prime is 10256693. The reversal of 10256664 is 46665201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10256663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19162 + ... + 19689.

It is an arithmetic number, because the mean of its divisors is an integer number (874170).

Almost surely, 2^10256664 is an apocalyptic number.

It is an amenable number.

10256664 is an abundant number, since it is smaller than the sum of its proper divisors (17716776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10256664 is a wasteful number, since it uses less digits than its factorization.

10256664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38871 (or 38867 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 10256664 is about 3202.6026915620. The cubic root of 10256664 is about 217.2711399025.

The spelling of 10256664 in words is "ten million, two hundred fifty-six thousand, six hundred sixty-four".