64616366361646 has 16 divisors (see below), whose sum is σ = 105793119653760. Its totient is φ = 29355173556280.

The previous prime is 64616366361629. The next prime is 64616366361647.

64616366361646 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64616366361647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795061576 + ... + 795142843.

It is an arithmetic number, because the mean of its divisors is an integer number (6612069978360).

Almost surely, 2^{64616366361646} is an apocalyptic number.

64616366361646 is a deficient number, since it is larger than the sum of its proper divisors (41176753292114).

64616366361646 is a wasteful number, since it uses less digits than its factorization.

64616366361646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590206279.

The product of its digits is 241864704, while the sum is 64.

The spelling of 64616366361646 in words is "sixty-four trillion, six hundred sixteen billion, three hundred sixty-six million, three hundred sixty-one thousand, six hundred forty-six".