16223663531994 has 8 divisors (see below), whose sum is σ = 32447327064000. Its totient is φ = 5407887843996.

The previous prime is 16223663531989. The next prime is 16223663532023. The reversal of 16223663531994 is 49913536632261.

It is a sphenic number, since it is the product of 3 distinct primes.

16223663531994 is an admirable 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, 1351971960994 + ... + 1351971961005.

It is an arithmetic number, because the mean of its divisors is an integer number (4055915883000).

Almost surely, 2^{16223663531994} is an apocalyptic number.

16223663531994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16223663531994 is a wasteful number, since it uses less digits than its factorization.

16223663531994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703943922004.

The product of its digits is 37791360, while the sum is 60.

The spelling of 16223663531994 in words is "sixteen trillion, two hundred twenty-three billion, six hundred sixty-three million, five hundred thirty-one thousand, nine hundred ninety-four".