64553666354364 has 24 divisors (see below), whose sum is σ = 164318423447808. Its totient is φ = 19561717077040.

The previous prime is 64553666354323. The next prime is 64553666354383. The reversal of 64553666354364 is 46345366635546.

64553666354364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 64553666354295 and 64553666354304.

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, 244521463332 + ... + 244521463595.

It is an arithmetic number, because the mean of its divisors is an integer number (6846600976992).

Almost surely, 2^{64553666354364} is an apocalyptic number.

It is an amenable number.

64553666354364 is an abundant number, since it is smaller than the sum of its proper divisors (99764757093444).

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

64553666354364 is a wasteful number, since it uses less digits than its factorization.

64553666354364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489042926945 (or 489042926943 counting only the distinct ones).

The product of its digits is 1679616000, while the sum is 66.

The spelling of 64553666354364 in words is "sixty-four trillion, five hundred fifty-three billion, six hundred sixty-six million, three hundred fifty-four thousand, three hundred sixty-four".