64265336252136 has 64 divisors (see below), whose sum is σ = 181029116246400. Its totient is φ = 21120063552000.

The previous prime is 64265336252081. The next prime is 64265336252137. The reversal of 64265336252136 is 63125263356246.

64265336252136 is a `hidden beast` number, since 6 + 4 + 2 + 6 + 5 + 3 + 3 + 625 + 2 + 1 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (64265336252137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2095229065 + ... + 2095259736.

It is an arithmetic number, because the mean of its divisors is an integer number (2828579941350).

Almost surely, 2^{64265336252136} is an apocalyptic number.

It is an amenable number.

64265336252136 is an abundant number, since it is smaller than the sum of its proper divisors (116763779994264).

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

64265336252136 is a wasteful number, since it uses less digits than its factorization.

64265336252136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190488887 (or 4190488877 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 54.

The spelling of 64265336252136 in words is "sixty-four trillion, two hundred sixty-five billion, three hundred thirty-six million, two hundred fifty-two thousand, one hundred thirty-six".