16997130 has 24 divisors (see below), whose sum is σ = 44192772. Its totient is φ = 4532544.

The previous prime is 16997111. The next prime is 16997143. The reversal of 16997130 is 3179961.

It can be written as a sum of positive squares in 2 ways, for example, as 16818201 + 178929 = 4101^2 + 423^2 .

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, 94339 + ... + 94518.

Almost surely, 2^16997130 is an apocalyptic number.

16997130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16997130 is an abundant number, since it is smaller than the sum of its proper divisors (27195642).

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

16997130 is a wasteful number, since it uses less digits than its factorization.

16997130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188870 (or 188867 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 16997130 is about 4122.7575723052. The cubic root of 16997130 is about 257.1136884904.

The spelling of 16997130 in words is "sixteen million, nine hundred ninety-seven thousand, one hundred thirty".