16809950 has 12 divisors (see below), whose sum is σ = 31266600. Its totient is φ = 6723960.

The previous prime is 16809943. The next prime is 16809971. The reversal of 16809950 is 5990861.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168050 + ... + 168149.

It is an arithmetic number, because the mean of its divisors is an integer number (2605550).

Almost surely, 2^16809950 is an apocalyptic number.

16809950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16809950 is a deficient number, since it is larger than the sum of its proper divisors (14456650).

16809950 is a wasteful number, since it uses less digits than its factorization.

16809950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336211 (or 336206 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 16809950 is about 4099.9939024345. The cubic root of 16809950 is about 256.1663855691.

The spelling of 16809950 in words is "sixteen million, eight hundred nine thousand, nine hundred fifty".