16990488 has 24 divisors (see below), whose sum is σ = 46016100. Its totient is φ = 5663472.

The previous prime is 16990469. The next prime is 16990489. The reversal of 16990488 is 88409961.

16990488 is a `hidden beast` number, since 169 + 9 + 0 + 488 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16990489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117918 + ... + 118061.

Almost surely, 2^16990488 is an apocalyptic number.

16990488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16990488 is an abundant number, since it is smaller than the sum of its proper divisors (29025612).

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

16990488 is a wasteful number, since it uses less digits than its factorization.

16990488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235991 (or 235984 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 16990488 is about 4121.9519647856. The cubic root of 16990488 is about 257.0801931961.

The spelling of 16990488 in words is "sixteen million, nine hundred ninety thousand, four hundred eighty-eight".