264160485681 has 16 divisors (see below), whose sum is σ = 352539304320. Its totient is φ = 175944401280.

The previous prime is 264160485643. The next prime is 264160485709. The reversal of 264160485681 is 186584061462.

It is not a de Polignac number, because 264160485681 - 2²³ = 264152097073 is a prime.

It is a super-2 number, since 2×264160485681² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (264160485881) 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, 22116171 + ... + 22128111.

It is an arithmetic number, because the mean of its divisors is an integer number (22033706520).

Almost surely, 2^264160485681 is an apocalyptic number.

It is an amenable number.

264160485681 is a deficient number, since it is larger than the sum of its proper divisors (88378818639).

264160485681 is a wasteful number, since it uses less digits than its factorization.

264160485681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18136.

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 264160485681 in words is "two hundred sixty-four billion, one hundred sixty million, four hundred eighty-five thousand, six hundred eighty-one".