16226664 has 16 divisors (see below), whose sum is σ = 40566720. Its totient is φ = 5408880.

The previous prime is 16226621. The next prime is 16226677. The reversal of 16226664 is 46662261.

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

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, 338032 + ... + 338079.

It is an arithmetic number, because the mean of its divisors is an integer number (2535420).

Almost surely, 2^16226664 is an apocalyptic number.

It is an amenable number.

16226664 is an abundant number, since it is smaller than the sum of its proper divisors (24340056).

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

16226664 is a wasteful number, since it uses less digits than its factorization.

16226664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676120 (or 676116 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 16226664 is about 4028.2333596752. The cubic root of 16226664 is about 253.1685462652.

The spelling of 16226664 in words is "sixteen million, two hundred twenty-six thousand, six hundred sixty-four".