16707994 has 16 divisors (see below), whose sum is σ = 25816032. Its totient is φ = 8105328.

The previous prime is 16707967. The next prime is 16708001. The reversal of 16707994 is 49970761.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 16707994.

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, 14317 + ... + 15439.

It is an arithmetic number, because the mean of its divisors is an integer number (1613502).

Almost surely, 2^16707994 is an apocalyptic number.

16707994 is a deficient number, since it is larger than the sum of its proper divisors (9108038).

16707994 is a wasteful number, since it uses less digits than its factorization.

16707994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 16707994 is about 4087.5413147759. The cubic root of 16707994 is about 255.6474333646.

The spelling of 16707994 in words is "sixteen million, seven hundred seven thousand, nine hundred ninety-four".