16994180 has 36 divisors (see below), whose sum is σ = 41516748. Its totient is φ = 5826240.

The previous prime is 16994177. The next prime is 16994191. The reversal of 16994180 is 8149961.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11195716 + 5798464 = 3346^2 + 2408^2 .

It is a congruent number.

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, 7691 + ... + 9650.

It is an arithmetic number, because the mean of its divisors is an integer number (1153243).

Almost surely, 2^16994180 is an apocalyptic number.

16994180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16994180 is an abundant number, since it is smaller than the sum of its proper divisors (24522568).

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

16994180 is a wasteful number, since it uses less digits than its factorization.

16994180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17364 (or 17355 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 16994180 is about 4122.3997865321. The cubic root of 16994180 is about 257.0988128561.

It can be divided in two parts, 169 and 94180, that added together give a palindrome (94349).

The spelling of 16994180 in words is "sixteen million, nine hundred ninety-four thousand, one hundred eighty".