16668830 has 16 divisors (see below), whose sum is σ = 30080160. Its totient is φ = 6650592.

The previous prime is 16668809. The next prime is 16668851. The reversal of 16668830 is 3886661.

It is an interprime number because it is at equal distance from previous prime (16668809) and next prime (16668851).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2492 + ... + 6288.

It is an arithmetic number, because the mean of its divisors is an integer number (1880010).

Almost surely, 2^16668830 is an apocalyptic number.

16668830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16668830 is a deficient number, since it is larger than the sum of its proper divisors (13411330).

16668830 is a wasteful number, since it uses less digits than its factorization.

16668830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4243.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 16668830 is about 4082.7478491820. The cubic root of 16668830 is about 255.4475288713.

The spelling of 16668830 in words is "sixteen million, six hundred sixty-eight thousand, eight hundred thirty".