16002641656 has 16 divisors (see below), whose sum is σ = 30009623400. Its totient is φ = 8000075424.

The previous prime is 16002641647. The next prime is 16002641663. The reversal of 16002641656 is 65614620061.

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, 99891 + ... + 204898.

Almost surely, 2^16002641656 is an apocalyptic number.

It is an amenable number.

16002641656 is a deficient number, since it is larger than the sum of its proper divisors (14006981744).

16002641656 is a wasteful number, since it uses less digits than its factorization.

16002641656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311358 (or 311354 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 16002641656 in words is "sixteen billion, two million, six hundred forty-one thousand, six hundred fifty-six".