65136563670 has 32 divisors (see below), whose sum is σ = 156411440640. Its totient is φ = 17360451680.

The previous prime is 65136563669. The next prime is 65136563683. The reversal of 65136563670 is 7636563156.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 524100 + ... + 636359.

It is an arithmetic number, because the mean of its divisors is an integer number (4887857520).

Almost surely, 2^65136563670 is an apocalyptic number.

65136563670 is an abundant number, since it is smaller than the sum of its proper divisors (91274876970).

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

65136563670 is a wasteful number, since it uses less digits than its factorization.

65136563670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162340.

The product of its (nonzero) digits is 2041200, while the sum is 48.

The spelling of 65136563670 in words is "sixty-five billion, one hundred thirty-six million, five hundred sixty-three thousand, six hundred seventy".