65136563632 has 40 divisors (see below), whose sum is σ = 148883581952. Its totient is φ = 27015163200.

The previous prime is 65136563603. The next prime is 65136563669. The reversal of 65136563632 is 23636563156.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9376794 + ... + 9383737.

Almost surely, 2^65136563632 is an apocalyptic number.

65136563632 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

65136563632 is an abundant number, since it is smaller than the sum of its proper divisors (83747018320).

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

65136563632 is a wasteful number, since it uses less digits than its factorization.

65136563632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18760577 (or 18760571 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 46.

The spelling of 65136563632 in words is "sixty-five billion, one hundred thirty-six million, five hundred sixty-three thousand, six hundred thirty-two".