16676690 has 16 divisors (see below), whose sum is σ = 30716928. Its totient is φ = 6515376.

The previous prime is 16676687. The next prime is 16676701. The reversal of 16676690 is 9667661.

It is a super-2 number, since 2×16676690² = 556223978712200, which contains 22 as substring.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18962 + ... + 19821.

It is an arithmetic number, because the mean of its divisors is an integer number (1919808).

Almost surely, 2^16676690 is an apocalyptic number.

16676690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16676690 is a deficient number, since it is larger than the sum of its proper divisors (14040238).

16676690 is a wasteful number, since it uses less digits than its factorization.

16676690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38833.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 16676690 is about 4083.7103227335. The cubic root of 16676690 is about 255.4876737019.

The spelling of 16676690 in words is "sixteen million, six hundred seventy-six thousand, six hundred ninety".