16223613764 has 12 divisors (see below), whose sum is σ = 28392286188. Its totient is φ = 8111532000.

The previous prime is 16223613751. The next prime is 16223613773. The reversal of 16223613764 is 46731632261.

It can be written as a sum of positive squares in 2 ways, for example, as 6822760000 + 9400853764 = 82600^2 + 96958^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 124334 + ... + 218874.

It is an arithmetic number, because the mean of its divisors is an integer number (2366023849).

Almost surely, 2^16223613764 is an apocalyptic number.

It is an amenable number.

16223613764 is a deficient number, since it is larger than the sum of its proper divisors (12168672424).

16223613764 is a wasteful number, since it uses less digits than its factorization.

16223613764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137446 (or 137444 counting only the distinct ones).

The product of its digits is 217728, while the sum is 41.

The spelling of 16223613764 in words is "sixteen billion, two hundred twenty-three million, six hundred thirteen thousand, seven hundred sixty-four".