65375247990528 has 216 divisors, whose sum is σ = 218371492012128. Its totient is φ = 18422770139136.

The previous prime is 65375247990487. The next prime is 65375247990631. The reversal of 65375247990528 is 82509974257356.

65375247990528 is a `hidden beast` number, since 6 + 5 + 3 + 7 + 5 + 2 + 4 + 7 + 9 + 90 + 528 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26586525 + ... + 28941212.

Almost surely, 2^{65375247990528} is an apocalyptic number.

It is an amenable number.

65375247990528 is an abundant number, since it is smaller than the sum of its proper divisors (152996244021600).

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

65375247990528 is a wasteful number, since it uses less digits than its factorization.

65375247990528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55527839 (or 55527822 counting only the distinct ones).

The product of its (nonzero) digits is 1143072000, while the sum is 72.

The spelling of 65375247990528 in words is "sixty-five trillion, three hundred seventy-five billion, two hundred forty-seven million, nine hundred ninety thousand, five hundred twenty-eight".