16192990 has 16 divisors (see below), whose sum is σ = 31797360. Its totient is φ = 5888320.

The previous prime is 16192961. The next prime is 16193003. The reversal of 16192990 is 9929161.

It is a congruent number.

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, 73495 + ... + 73714.

It is an arithmetic number, because the mean of its divisors is an integer number (1987335).

Almost surely, 2^16192990 is an apocalyptic number.

16192990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16192990 is a deficient number, since it is larger than the sum of its proper divisors (15604370).

16192990 is a wasteful number, since it uses less digits than its factorization.

16192990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147227.

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 16192990 is about 4024.0514410231. The cubic root of 16192990 is about 252.9932976399.

The spelling of 16192990 in words is "sixteen million, one hundred ninety-two thousand, nine hundred ninety".