64996252457022 has 24 divisors (see below), whose sum is σ = 140852821229640. Its totient is φ = 21661170166800.

The previous prime is 64996252456991. The next prime is 64996252457029. The reversal of 64996252457022 is 22075425269946.

64996252457022 is a `hidden beast` number, since 6 + 4 + 9 + 9 + 6 + 2 + 52 + 4 + 570 + 2 + 2 = 666.

64996252457022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64996252457029) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 353848872 + ... + 354032507.

It is an arithmetic number, because the mean of its divisors is an integer number (5868867551235).

Almost surely, 2^{64996252457022} is an apocalyptic number.

64996252457022 is an abundant number, since it is smaller than the sum of its proper divisors (75856568772618).

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

64996252457022 is a wasteful number, since it uses less digits than its factorization.

64996252457022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707886488 (or 707886485 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 63.

The spelling of 64996252457022 in words is "sixty-four trillion, nine hundred ninety-six billion, two hundred fifty-two million, four hundred fifty-seven thousand, twenty-two".