5665656100655 has 4 divisors (see below), whose sum is σ = 6798787320792. Its totient is φ = 4532524880520.

The previous prime is 5665656100633. The next prime is 5665656100697. The reversal of 5665656100655 is 5560016565665.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5665656100655 - 2⁶ = 5665656100591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5665656100655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566565610061 + ... + 566565610070.

It is an arithmetic number, because the mean of its divisors is an integer number (1699696830198).

Almost surely, 2^{5665656100655} is an apocalyptic number.

5665656100655 is a deficient number, since it is larger than the sum of its proper divisors (1133131220137).

5665656100655 is a wasteful number, since it uses less digits than its factorization.

5665656100655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133131220136.

The product of its (nonzero) digits is 24300000, while the sum is 56.

The spelling of 5665656100655 in words is "five trillion, six hundred sixty-five billion, six hundred fifty-six million, one hundred thousand, six hundred fifty-five".