16346664 has 32 divisors (see below), whose sum is σ = 45408000. Its totient is φ = 5448816.

The previous prime is 16346657. The next prime is 16346677. The reversal of 16346664 is 46664361.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37624 + ... + 38055.

It is an arithmetic number, because the mean of its divisors is an integer number (1419000).

Almost surely, 2^16346664 is an apocalyptic number.

It is an amenable number.

16346664 is an abundant number, since it is smaller than the sum of its proper divisors (29061336).

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

16346664 is a wasteful number, since it uses less digits than its factorization.

16346664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75694 (or 75684 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 16346664 is about 4043.1007902351. The cubic root of 16346664 is about 253.7910944793.

The spelling of 16346664 in words is "sixteen million, three hundred forty-six thousand, six hundred sixty-four".