64130806253652 has 24 divisors (see below), whose sum is σ = 150116626361856. Its totient is φ = 21308638498368.

The previous prime is 64130806253623. The next prime is 64130806253743. The reversal of 64130806253652 is 25635260803146.

64130806253652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64130806253652² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64130806253595 and 64130806253604.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8537111028 + ... + 8537118539.

It is an arithmetic number, because the mean of its divisors is an integer number (6254859431744).

Almost surely, 2^{64130806253652} is an apocalyptic number.

It is an amenable number.

64130806253652 is an abundant number, since it is smaller than the sum of its proper divisors (85985820108204).

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

64130806253652 is a wasteful number, since it uses less digits than its factorization.

64130806253652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17074229887 (or 17074229885 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 64130806253652 in words is "sixty-four trillion, one hundred thirty billion, eight hundred six million, two hundred fifty-three thousand, six hundred fifty-two".