2255733264664 has 96 divisors (see below), whose sum is σ = 4744599163920. Its totient is φ = 996516864000.

The previous prime is 2255733264661. The next prime is 2255733264671. The reversal of 2255733264664 is 4664623375522.

It is a super-2 number, since 2×2255733264664² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255733264661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264970872 + ... + 264979384.

Almost surely, 2^{2255733264664} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2255733264664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2372299581960).

2255733264664 is an abundant number, since it is smaller than the sum of its proper divisors (2488865899256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2255733264664 is a wasteful number, since it uses less digits than its factorization.

2255733264664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9113 (or 8838 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 55.

The spelling of 2255733264664 in words is "two trillion, two hundred fifty-five billion, seven hundred thirty-three million, two hundred sixty-four thousand, six hundred sixty-four".