16085990 has 8 divisors (see below), whose sum is σ = 28954800. Its totient is φ = 6434392.

The previous prime is 16085987. The next prime is 16086001. The reversal of 16085990 is 9958061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804290 + ... + 804309.

It is an arithmetic number, because the mean of its divisors is an integer number (3619350).

Almost surely, 2^16085990 is an apocalyptic number.

16085990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16085990 is a deficient number, since it is larger than the sum of its proper divisors (12868810).

16085990 is a wasteful number, since it uses less digits than its factorization.

16085990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608606.

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

The square root of 16085990 is about 4010.7343467250. The cubic root of 16085990 is about 252.4348228991.

The spelling of 16085990 in words is "sixteen million, eighty-five thousand, nine hundred ninety".