16090994 has 8 divisors (see below), whose sum is σ = 24206700. Its totient is φ = 8022096.

The previous prime is 16090973. The next prime is 16090999. The reversal of 16090994 is 49909061.

It can be written as a sum of positive squares in 2 ways, for example, as 15015625 + 1075369 = 3875^2 + 1037^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16090999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10829 + ... + 12224.

Almost surely, 2^16090994 is an apocalyptic number.

16090994 is a deficient number, since it is larger than the sum of its proper divisors (8115706).

16090994 is a wasteful number, since it uses less digits than its factorization.

16090994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23404.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 16090994 is about 4011.3581241270. The cubic root of 16090994 is about 252.4609958378.

The spelling of 16090994 in words is "sixteen million, ninety thousand, nine hundred ninety-four".