1627066668 has 24 divisors (see below), whose sum is σ = 4019812272. Its totient is φ = 510452224.

The previous prime is 1627066643. The next prime is 1627066669. The reversal of 1627066668 is 8666607261.

It is not an unprimeable number, because it can be changed into a prime (1627066669) 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, 3987705 + ... + 3988112.

It is an arithmetic number, because the mean of its divisors is an integer number (167492178).

Almost surely, 2^1627066668 is an apocalyptic number.

It is an amenable number.

1627066668 is an abundant number, since it is smaller than the sum of its proper divisors (2392745604).

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

1627066668 is a wasteful number, since it uses less digits than its factorization.

1627066668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7975841 (or 7975839 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 1627066668 is about 40336.9144580990. The cubic root of 1627066668 is about 1176.1655356085.

The spelling of 1627066668 in words is "one billion, six hundred twenty-seven million, sixty-six thousand, six hundred sixty-eight".