16442655164 has 24 divisors (see below), whose sum is σ = 31496088288. Its totient is φ = 7464507840.

The previous prime is 16442655149. The next prime is 16442655247. The reversal of 16442655164 is 46155624461.

It is a super-3 number, since 3×16442655164³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2588672 + ... + 2595015.

It is an arithmetic number, because the mean of its divisors is an integer number (1312337012).

Almost surely, 2^16442655164 is an apocalyptic number.

It is an amenable number.

16442655164 is a deficient number, since it is larger than the sum of its proper divisors (15053433124).

16442655164 is a wasteful number, since it uses less digits than its factorization.

16442655164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183765 (or 5183763 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The spelling of 16442655164 in words is "sixteen billion, four hundred forty-two million, six hundred fifty-five thousand, one hundred sixty-four".