65260064553 has 32 divisors (see below), whose sum is σ = 91912568832. Its totient is φ = 41105592000.

The previous prime is 65260064549. The next prime is 65260064591. The reversal of 65260064553 is 35546006256.

It is not a de Polignac number, because 65260064553 - 2² = 65260064549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65260064543) 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, 2992776 + ... + 3014502.

It is an arithmetic number, because the mean of its divisors is an integer number (2872267776).

Almost surely, 2^65260064553 is an apocalyptic number.

It is an amenable number.

65260064553 is a deficient number, since it is larger than the sum of its proper divisors (26652504279).

65260064553 is a wasteful number, since it uses less digits than its factorization.

65260064553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22285.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 65260064553 in words is "sixty-five billion, two hundred sixty million, sixty-four thousand, five hundred fifty-three".