660327627652 has 48 divisors (see below), whose sum is σ = 1455567619968. Its totient is φ = 254618219520.

The previous prime is 660327627599. The next prime is 660327627721. The reversal of 660327627652 is 256726723066.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 660327627652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11021263 + ... + 11081014.

It is an arithmetic number, because the mean of its divisors is an integer number (30324325416).

Almost surely, 2^660327627652 is an apocalyptic number.

It is an amenable number.

660327627652 is an abundant number, since it is smaller than the sum of its proper divisors (795239992316).

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

660327627652 is a wasteful number, since it uses less digits than its factorization.

660327627652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22102396 (or 22102394 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 52.

The spelling of 660327627652 in words is "six hundred sixty billion, three hundred twenty-seven million, six hundred twenty-seven thousand, six hundred fifty-two".