6660568650630 has 64 divisors (see below), whose sum is σ = 16887446357760. Its totient is φ = 1676595314304.

The previous prime is 6660568650629. The next prime is 6660568650713. The reversal of 6660568650630 is 360568650666.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20934544 + ... + 21250323.

It is an arithmetic number, because the mean of its divisors is an integer number (263866349340).

Almost surely, 2^{6660568650630} is an apocalyptic number.

6660568650630 is an abundant number, since it is smaller than the sum of its proper divisors (10226877707130).

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

6660568650630 is a wasteful number, since it uses less digits than its factorization.

6660568650630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42185173.

The product of its (nonzero) digits is 27993600, while the sum is 57.

The spelling of 6660568650630 in words is "six trillion, six hundred sixty billion, five hundred sixty-eight million, six hundred fifty thousand, six hundred thirty".