4505265091656 has 72 divisors (see below), whose sum is σ = 14193883654470. Its totient is φ = 1287218596608.

The previous prime is 4505265091651. The next prime is 4505265091661. The reversal of 4505265091656 is 6561905625054.

It is a happy number.

4505265091656 is a `hidden beast` number, since 4 + 5 + 0 + 526 + 50 + 9 + 1 + 65 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (4505265091651) and next prime (4505265091661).

It can be written as a sum of positive squares in only one way, i.e., 2481286544100 + 2023978547556 = 1575210^2 + 1422666^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (4505265091651) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 638497761 + ... + 638504816.

Almost surely, 2^{4505265091656} is an apocalyptic number.

It is an amenable number.

4505265091656 is an abundant number, since it is smaller than the sum of its proper divisors (9688618562814).

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

4505265091656 is a wasteful number, since it uses less digits than its factorization.

4505265091656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277002603 (or 1277002589 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 54.

The spelling of 4505265091656 in words is "four trillion, five hundred five billion, two hundred sixty-five million, ninety-one thousand, six hundred fifty-six".