16213523344 has 20 divisors (see below), whose sum is σ = 31718692096. Its totient is φ = 8028054432.

The previous prime is 16213523323. The next prime is 16213523383. The reversal of 16213523344 is 44332531261.

It is a happy 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, 4917504 + ... + 4920799.

Almost surely, 2^16213523344 is an apocalyptic number.

It is an amenable number.

16213523344 is a deficient number, since it is larger than the sum of its proper divisors (15505168752).

16213523344 is a wasteful number, since it uses less digits than its factorization.

16213523344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9838414 (or 9838408 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The spelling of 16213523344 in words is "sixteen billion, two hundred thirteen million, five hundred twenty-three thousand, three hundred forty-four".