2795664665972 has 24 divisors (see below), whose sum is σ = 5013536340456. Its totient is φ = 1363530616448.

The previous prime is 2795664665957. The next prime is 2795664666023.

It is a happy number.

2795664665972 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 705778091236 + 2089886574736 = 840106^2 + 1445644^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2795664665972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38076323 + ... + 38149674.

It is an arithmetic number, because the mean of its divisors is an integer number (208897347519).

Almost surely, 2^{2795664665972} is an apocalyptic number.

It is an amenable number.

2795664665972 is a deficient number, since it is larger than the sum of its proper divisors (2217871674484).

2795664665972 is a wasteful number, since it uses less digits than its factorization.

2795664665972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76226227 (or 76226225 counting only the distinct ones).

The product of its digits is 2057529600, while the sum is 74.

The spelling of 2795664665972 in words is "two trillion, seven hundred ninety-five billion, six hundred sixty-four million, six hundred sixty-five thousand, nine hundred seventy-two".