16334644 has 12 divisors (see below), whose sum is σ = 29507968. Its totient is φ = 7903800.

The previous prime is 16334609. The next prime is 16334657. The reversal of 16334644 is 44643361.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent 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, 65742 + ... + 65989.

Almost surely, 2^16334644 is an apocalyptic number.

It is an amenable number.

16334644 is a deficient number, since it is larger than the sum of its proper divisors (13173324).

16334644 is a wasteful number, since it uses less digits than its factorization.

16334644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131766 (or 131764 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 16334644 is about 4041.6140340216. The cubic root of 16334644 is about 253.7288734868.

The spelling of 16334644 in words is "sixteen million, three hundred thirty-four thousand, six hundred forty-four".