16664676 has 48 divisors (see below), whose sum is σ = 45978240. Its totient is φ = 4596480.

The previous prime is 16664671. The next prime is 16664677. The reversal of 16664676 is 67646661.

16664676 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16664676² = 555422852369952, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

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

It is not an unprimeable number, because it can be changed into a prime (16664671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985 + ... + 5856.

It is an arithmetic number, because the mean of its divisors is an integer number (957880).

Almost surely, 2^16664676 is an apocalyptic number.

It is an amenable number.

16664676 is an abundant number, since it is smaller than the sum of its proper divisors (29313564).

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

16664676 is a wasteful number, since it uses less digits than its factorization.

16664676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6884 (or 6882 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 16664676 is about 4082.2390914791. The cubic root of 16664676 is about 255.4263072820.

The spelling of 16664676 in words is "sixteen million, six hundred sixty-four thousand, six hundred seventy-six".