65628130874 has 16 divisors (see below), whose sum is σ = 99506217096. Its totient is φ = 32459976000.

The previous prime is 65628130829. The next prime is 65628130901. The reversal of 65628130874 is 47803182656.

It can be written as a sum of positive squares in 4 ways, for example, as 37603027225 + 28025103649 = 193915^2 + 167407^2 .

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 7 ways as a sum of consecutive naturals, for example, 80204 + ... + 371064.

Almost surely, 2^65628130874 is an apocalyptic number.

65628130874 is a deficient number, since it is larger than the sum of its proper divisors (33878086222).

65628130874 is a wasteful number, since it uses less digits than its factorization.

65628130874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292081.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 65628130874 in words is "sixty-five billion, six hundred twenty-eight million, one hundred thirty thousand, eight hundred seventy-four".