65628370600 has 48 divisors (see below), whose sum is σ = 164323349820. Its totient is φ = 24232012800.

The previous prime is 65628370571. The next prime is 65628370601. The reversal of 65628370600 is 607382656.

It can be written as a sum of positive squares in 6 ways, for example, as 987342084 + 64641028516 = 31422^2 + 254246^2 .

It is a super-2 number, since 2×65628370600² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65628370601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12618241 + ... + 12623440.

Almost surely, 2^65628370600 is an apocalyptic number.

It is an amenable number.

65628370600 is an abundant number, since it is smaller than the sum of its proper divisors (98694979220).

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

65628370600 is a wasteful number, since it uses less digits than its factorization.

65628370600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25241710 (or 25241701 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 65628370600 in words is "sixty-five billion, six hundred twenty-eight million, three hundred seventy thousand, six hundred".