16622123664 has 40 divisors (see below), whose sum is σ = 42945247360. Its totient is φ = 5540093568.

The previous prime is 16622123641. The next prime is 16622123669. The reversal of 16622123664 is 46632122661.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (16622123669) 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, 683034 + ... + 706950.

It is an arithmetic number, because the mean of its divisors is an integer number (1073631184).

Almost surely, 2^16622123664 is an apocalyptic number.

It is an amenable number.

16622123664 is an abundant number, since it is smaller than the sum of its proper divisors (26323123696).

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

16622123664 is a wasteful number, since it uses less digits than its factorization.

16622123664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38407 (or 38401 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The spelling of 16622123664 in words is "sixteen billion, six hundred twenty-two million, one hundred twenty-three thousand, six hundred sixty-four".