16623463392 has 72 divisors (see below), whose sum is σ = 47312385120. Its totient is φ = 5536535040.

The previous prime is 16623463387. The next prime is 16623463393. The reversal of 16623463392 is 29336432661.

16623463392 is a `hidden beast` number, since 1 + 6 + 6 + 2 + 3 + 4 + 633 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16623463393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331084 + ... + 377972.

It is an arithmetic number, because the mean of its divisors is an integer number (657116460).

Almost surely, 2^16623463392 is an apocalyptic number.

16623463392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16623463392 is an abundant number, since it is smaller than the sum of its proper divisors (30688921728).

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

16623463392 is a wasteful number, since it uses less digits than its factorization.

16623463392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48136 (or 48125 counting only the distinct ones).

The product of its digits is 839808, while the sum is 45.

The spelling of 16623463392 in words is "sixteen billion, six hundred twenty-three million, four hundred sixty-three thousand, three hundred ninety-two".