1627665016664 has 16 divisors (see below), whose sum is σ = 3055635015720. Its totient is φ = 812829012480.

The previous prime is 1627665016613. The next prime is 1627665016741. The reversal of 1627665016664 is 4666105667261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125430089 + ... + 125443064.

Almost surely, 2^{1627665016664} is an apocalyptic number.

It is an amenable number.

1627665016664 is a deficient number, since it is larger than the sum of its proper divisors (1427969999056).

1627665016664 is a wasteful number, since it uses less digits than its factorization.

1627665016664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250873970 (or 250873966 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 1627665016664 in words is "one trillion, six hundred twenty-seven billion, six hundred sixty-five million, sixteen thousand, six hundred sixty-four".