16990376 has 32 divisors (see below), whose sum is σ = 35804160. Its totient is φ = 7499712.

The previous prime is 16990373. The next prime is 16990381. The reversal of 16990376 is 67309961.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16990373) 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 7 ways as a sum of consecutive naturals, for example, 1160 + ... + 5943.

It is an arithmetic number, because the mean of its divisors is an integer number (1118880).

Almost surely, 2^16990376 is an apocalyptic number.

It is an amenable number.

16990376 is an abundant number, since it is smaller than the sum of its proper divisors (18813784).

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

16990376 is a wasteful number, since it uses less digits than its factorization.

16990376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7145 (or 7141 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 16990376 is about 4121.9383789669. The cubic root of 16990376 is about 257.0796283105.

The spelling of 16990376 in words is "sixteen million, nine hundred ninety thousand, three hundred seventy-six".