128092664 has 32 divisors (see below), whose sum is σ = 280092000. Its totient is φ = 54895680.

The previous prime is 128092663. The next prime is 128092667. The reversal of 128092664 is 466290821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128092663) 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, 20597 + ... + 26084.

It is an arithmetic number, because the mean of its divisors is an integer number (8752875).

Almost surely, 2^128092664 is an apocalyptic number.

128092664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

128092664 is an abundant number, since it is smaller than the sum of its proper divisors (151999336).

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

128092664 is an equidigital number, since it uses as much as digits as its factorization.

128092664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46708 (or 46690 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 128092664 is about 11317.8029670073. The cubic root of 128092664 is about 504.0900045021.

The spelling of 128092664 in words is "one hundred twenty-eight million, ninety-two thousand, six hundred sixty-four".