10128664 has 32 divisors (see below), whose sum is σ = 23375520. Its totient is φ = 4006656.

The previous prime is 10128659. The next prime is 10128673. The reversal of 10128664 is 46682101.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6229 + ... + 7684.

It is an arithmetic number, because the mean of its divisors is an integer number (730485).

Almost surely, 2^10128664 is an apocalyptic number.

10128664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10128664 is an abundant number, since it is smaller than the sum of its proper divisors (13246856).

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

10128664 is a wasteful number, since it uses less digits than its factorization.

10128664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13939 (or 13935 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 10128664 is about 3182.5562053167. The cubic root of 10128664 is about 216.3635282134.

The spelling of 10128664 in words is "ten million, one hundred twenty-eight thousand, six hundred sixty-four".