16422385272 has 16 divisors (see below), whose sum is σ = 41055963240. Its totient is φ = 5474128416.

The previous prime is 16422385249. The next prime is 16422385279. The reversal of 16422385272 is 27258322461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422385279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342133003 + ... + 342133050.

Almost surely, 2^16422385272 is an apocalyptic number.

16422385272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16422385272 is an abundant number, since it is smaller than the sum of its proper divisors (24633577968).

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

16422385272 is a wasteful number, since it uses less digits than its factorization.

16422385272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684266062 (or 684266058 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The spelling of 16422385272 in words is "sixteen billion, four hundred twenty-two million, three hundred eighty-five thousand, two hundred seventy-two".