64404053501161 has 16 divisors (see below), whose sum is σ = 72662115594240. Its totient is φ = 56578053476880.

The previous prime is 64404053501129. The next prime is 64404053501213. The reversal of 64404053501161 is 16110535040446.

It is a cyclic number.

It is not a de Polignac number, because 64404053501161 - 2⁵ = 64404053501129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64404053508161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788393571 + ... + 788475256.

It is an arithmetic number, because the mean of its divisors is an integer number (4541382224640).

Almost surely, 2^{64404053501161} is an apocalyptic number.

It is an amenable number.

64404053501161 is a deficient number, since it is larger than the sum of its proper divisors (8258062093079).

64404053501161 is a wasteful number, since it uses less digits than its factorization.

64404053501161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576868964.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 64404053501161 in words is "sixty-four trillion, four hundred four billion, fifty-three million, five hundred one thousand, one hundred sixty-one".