16146656464 has 20 divisors (see below), whose sum is σ = 31335704704. Its totient is φ = 8060023008.

The previous prime is 16146656447. The next prime is 16146656483. The reversal of 16146656464 is 46465664161.

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, 821562 + ... + 840985.

Almost surely, 2^16146656464 is an apocalyptic number.

It is an amenable number.

16146656464 is a deficient number, since it is larger than the sum of its proper divisors (15189048240).

16146656464 is a wasteful number, since it uses less digits than its factorization.

16146656464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663162 (or 1663156 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

The spelling of 16146656464 in words is "sixteen billion, one hundred forty-six million, six hundred fifty-six thousand, four hundred sixty-four".