16930818 has 24 divisors (see below), whose sum is σ = 36902268. Its totient is φ = 5609952.

The previous prime is 16930807. The next prime is 16930877. The reversal of 16930818 is 81803961.

It can be written as a sum of positive squares in 2 ways, for example, as 15705369 + 1225449 = 3963^2 + 1107^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396 + ... + 5832.

Almost surely, 2^16930818 is an apocalyptic number.

16930818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16930818 is an abundant number, since it is smaller than the sum of its proper divisors (19971450).

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

16930818 is a wasteful number, since it uses less digits than its factorization.

16930818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618 (or 5615 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 16930818 is about 4114.7075230203. The cubic root of 16930818 is about 256.7788879782.

The spelling of 16930818 in words is "sixteen million, nine hundred thirty thousand, eight hundred eighteen".