5656065000666 has 16 divisors (see below), whose sum is σ = 11907505264800. Its totient is φ = 1786125789648.

The previous prime is 5656065000661. The next prime is 5656065000683. The reversal of 5656065000666 is 6660005606565.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5656065000661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24807302521 + ... + 24807302748.

It is an arithmetic number, because the mean of its divisors is an integer number (744219079050).

Almost surely, 2^{5656065000666} is an apocalyptic number.

5656065000666 is an abundant number, since it is smaller than the sum of its proper divisors (6251440264134).

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

5656065000666 is a wasteful number, since it uses less digits than its factorization.

5656065000666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49614605293.

The product of its (nonzero) digits is 5832000, while the sum is 51.

The spelling of 5656065000666 in words is "five trillion, six hundred fifty-six billion, sixty-five million, six hundred sixty-six", and thus it is an aban number.