296655561 has 16 divisors (see below), whose sum is σ = 441925120. Its totient is φ = 196674480.

The previous prime is 296655533. The next prime is 296655571. The reversal of 296655561 is 165556692.

296655561 is a `hidden beast` number, since 2 + 96 + 6 + 5 + 556 + 1 = 666.

It is not a de Polignac number, because 296655561 - 2⁶ = 296655497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (296655511) 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, 25465 + ... + 35238.

It is an arithmetic number, because the mean of its divisors is an integer number (27620320).

Almost surely, 2^296655561 is an apocalyptic number.

It is an amenable number.

296655561 is a deficient number, since it is larger than the sum of its proper divisors (145269559).

296655561 is a wasteful number, since it uses less digits than its factorization.

296655561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60893 (or 60887 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 296655561 is about 17223.6918516327. The cubic root of 296655561 is about 666.9360063640.

The spelling of 296655561 in words is "two hundred ninety-six million, six hundred fifty-five thousand, five hundred sixty-one".