16680350 has 24 divisors (see below), whose sum is σ = 31136400. Its totient is φ = 6648320.

The previous prime is 16680341. The next prime is 16680371. The reversal of 16680350 is 5308661.

It is a super-2 number, since 2×16680350² = 556468152245000, which contains 22 as substring.

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, 22079 + ... + 22821.

It is an arithmetic number, because the mean of its divisors is an integer number (1297350).

Almost surely, 2^16680350 is an apocalyptic number.

16680350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16680350 is a deficient number, since it is larger than the sum of its proper divisors (14456050).

16680350 is a wasteful number, since it uses less digits than its factorization.

16680350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 16680350 is about 4084.1584200420. The cubic root of 16680350 is about 255.5063627921.

The spelling of 16680350 in words is "sixteen million, six hundred eighty thousand, three hundred fifty".