16330990 has 32 divisors (see below), whose sum is σ = 31842720. Its totient is φ = 5994624.

The previous prime is 16330969. The next prime is 16330991. The reversal of 16330990 is 9903361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16330991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34737 + ... + 35203.

It is an arithmetic number, because the mean of its divisors is an integer number (995085).

Almost surely, 2^16330990 is an apocalyptic number.

16330990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16330990 is a deficient number, since it is larger than the sum of its proper divisors (15511730).

16330990 is a wasteful number, since it uses less digits than its factorization.

16330990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 16330990 is about 4041.1619616145. The cubic root of 16330990 is about 253.7099526695.

The spelling of 16330990 in words is "sixteen million, three hundred thirty thousand, nine hundred ninety".