660236328 has 48 divisors (see below), whose sum is σ = 1791204480. Its totient is φ = 219701664.

The previous prime is 660236281. The next prime is 660236351. The reversal of 660236328 is 823632066.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 660236292 and 660236301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36151 + ... + 51257.

It is an arithmetic number, because the mean of its divisors is an integer number (37316760).

Almost surely, 2^660236328 is an apocalyptic number.

It is an amenable number.

660236328 is an abundant number, since it is smaller than the sum of its proper divisors (1130968152).

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

660236328 is a wasteful number, since it uses less digits than its factorization.

660236328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15726 (or 15719 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 660236328 is about 25695.0642731245. The cubic root of 660236328 is about 870.7626764362.

The spelling of 660236328 in words is "six hundred sixty million, two hundred thirty-six thousand, three hundred twenty-eight".