64105602362461 has 32 divisors (see below), whose sum is σ = 70917308236800. Its totient is φ = 57463307193600.

The previous prime is 64105602362447. The next prime is 64105602362521. The reversal of 64105602362461 is 16426320650146.

It is not a de Polignac number, because 64105602362461 - 2²¹ = 64105600265309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64105606362461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2159659126 + ... + 2159688808.

It is an arithmetic number, because the mean of its divisors is an integer number (2216165882400).

Almost surely, 2^{64105602362461} is an apocalyptic number.

It is an amenable number.

64105602362461 is a deficient number, since it is larger than the sum of its proper divisors (6811705874339).

64105602362461 is a wasteful number, since it uses less digits than its factorization.

64105602362461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38737.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 64105602362461 in words is "sixty-four trillion, one hundred five billion, six hundred two million, three hundred sixty-two thousand, four hundred sixty-one".