264435116260065 has 16 divisors (see below), whose sum is σ = 423096762312000. Its totient is φ = 141031869906752.

The previous prime is 264435116260013. The next prime is 264435116260207. The reversal of 264435116260065 is 560062611534462.

It is a cyclic number.

It is not a de Polignac number, because 264435116260065 - 2¹⁷ = 264435116128993 is a prime.

It is a super-2 number, since 2×264435116260065² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255630 + ... + 22998599.

It is an arithmetic number, because the mean of its divisors is an integer number (26443547644500).

Almost surely, 2^{264435116260065} is an apocalyptic number.

It is an amenable number.

264435116260065 is a deficient number, since it is larger than the sum of its proper divisors (158661646051935).

264435116260065 is a wasteful number, since it uses less digits than its factorization.

264435116260065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24012336.

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 264435116260065 in words is "two hundred sixty-four trillion, four hundred thirty-five billion, one hundred sixteen million, two hundred sixty thousand, sixty-five".