14666680 has 64 divisors (see below), whose sum is σ = 38520000. Its totient is φ = 5023872.

The previous prime is 14666677. The next prime is 14666693. The reversal of 14666680 is 8666641.

It is a super-2 number, since 2×14666680² = 430223004444800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13186 + ... + 14254.

It is an arithmetic number, because the mean of its divisors is an integer number (601875).

Almost surely, 2^14666680 is an apocalyptic number.

14666680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14666680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19260000).

14666680 is an abundant number, since it is smaller than the sum of its proper divisors (23853320).

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

14666680 is a wasteful number, since it uses less digits than its factorization.

14666680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 14666680 is about 3829.7101718015. The cubic root of 14666680 is about 244.7807562443.

The spelling of 14666680 in words is "fourteen million, six hundred sixty-six thousand, six hundred eighty".