5656120366 has 32 divisors (see below), whose sum is σ = 9471621600. Its totient is φ = 2516178816.

The previous prime is 5656120313. The next prime is 5656120397. The reversal of 5656120366 is 6630216565.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75460 + ... + 130408.

It is an arithmetic number, because the mean of its divisors is an integer number (295988175).

Almost surely, 2^5656120366 is an apocalyptic number.

5656120366 is a deficient number, since it is larger than the sum of its proper divisors (3815501234).

5656120366 is a wasteful number, since it uses less digits than its factorization.

5656120366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55108.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 5656120366 is about 75207.1829415249. The cubic root of 5656120366 is about 1781.7203800100.

The spelling of 5656120366 in words is "five billion, six hundred fifty-six million, one hundred twenty thousand, three hundred sixty-six".