15166668 has 48 divisors (see below), whose sum is σ = 39070080. Its totient is φ = 4540800.

The previous prime is 15166667. The next prime is 15166733. The reversal of 15166668 is 86666151.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (15166663) 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, 11103 + ... + 12393.

It is an arithmetic number, because the mean of its divisors is an integer number (813960).

Almost surely, 2^15166668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15166668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19535040).

15166668 is an abundant number, since it is smaller than the sum of its proper divisors (23903412).

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

15166668 is a wasteful number, since it uses less digits than its factorization.

15166668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1396 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 15166668 is about 3894.4406530335. The cubic root of 15166668 is about 247.5312642885.

The spelling of 15166668 in words is "fifteen million, one hundred sixty-six thousand, six hundred sixty-eight".