16267994 has 8 divisors (see below), whose sum is σ = 25189248. Its totient is φ = 7871580.

The previous prime is 16267991. The next prime is 16268003. The reversal of 16267994 is 49976261.

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 (16267991) 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, 131132 + ... + 131255.

It is an arithmetic number, because the mean of its divisors is an integer number (3148656).

Almost surely, 2^16267994 is an apocalyptic number.

16267994 is a deficient number, since it is larger than the sum of its proper divisors (8921254).

16267994 is a wasteful number, since it uses less digits than its factorization.

16267994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262420.

The product of its digits is 163296, while the sum is 44.

The square root of 16267994 is about 4033.3601376520. The cubic root of 16267994 is about 253.3833077003.

The spelling of 16267994 in words is "sixteen million, two hundred sixty-seven thousand, nine hundred ninety-four".