16994031 has 8 divisors (see below), whose sum is σ = 22697904. Its totient is φ = 11309760.

The previous prime is 16994027. The next prime is 16994039. The reversal of 16994031 is 13049961.

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

It is not a de Polignac number, because 16994031 - 2² = 16994027 is a prime.

It is a super-2 number, since 2×16994031² = 577594179257922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16993983 and 16994001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16994039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2740 + ... + 6441.

It is an arithmetic number, because the mean of its divisors is an integer number (2837238).

Almost surely, 2^16994031 is an apocalyptic number.

16994031 is a deficient number, since it is larger than the sum of its proper divisors (5703873).

16994031 is an equidigital number, since it uses as much as digits as its factorization.

16994031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9801.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 16994031 is about 4122.3817144947. The cubic root of 16994031 is about 257.0980614649.

The spelling of 16994031 in words is "sixteen million, nine hundred ninety-four thousand, thirty-one".