65628516330 has 64 divisors (see below), whose sum is σ = 188471646720. Its totient is φ = 16154710848.

The previous prime is 65628516311. The next prime is 65628516353. The reversal of 65628516330 is 3361582656.

65628516330 is a `hidden beast` number, since 6 + 5 + 6 + 2 + 8 + 5 + 1 + 633 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9345282 + ... + 9352301.

It is an arithmetic number, because the mean of its divisors is an integer number (2944869480).

Almost surely, 2^65628516330 is an apocalyptic number.

65628516330 is an abundant number, since it is smaller than the sum of its proper divisors (122843130390).

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

65628516330 is a wasteful number, since it uses less digits than its factorization.

65628516330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18697612 (or 18697606 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 65628516330 in words is "sixty-five billion, six hundred twenty-eight million, five hundred sixteen thousand, three hundred thirty".