64461606183338 has 64 divisors (see below), whose sum is σ = 123170755196160. Its totient is φ = 24609728489472.

The previous prime is 64461606183329. The next prime is 64461606183407. The reversal of 64461606183338 is 83338160616446.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7618145 + ... + 13673307.

It is an arithmetic number, because the mean of its divisors is an integer number (1924543049940).

Almost surely, 2^{64461606183338} is an apocalyptic number.

64461606183338 is a deficient number, since it is larger than the sum of its proper divisors (58709149012822).

64461606183338 is a wasteful number, since it uses less digits than its factorization.

64461606183338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6057231.

The product of its (nonzero) digits is 35831808, while the sum is 59.

The spelling of 64461606183338 in words is "sixty-four trillion, four hundred sixty-one billion, six hundred six million, one hundred eighty-three thousand, three hundred thirty-eight".