16695997 has 8 divisors (see below), whose sum is σ = 17376480. Its totient is φ = 16028880.

The previous prime is 16695977. The next prime is 16696021. The reversal of 16695997 is 79959661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16695997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16695937) 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, 754 + ... + 5827.

It is an arithmetic number, because the mean of its divisors is an integer number (2172060).

Almost surely, 2^16695997 is an apocalyptic number.

It is an amenable number.

16695997 is a deficient number, since it is larger than the sum of its proper divisors (680483).

16695997 is an equidigital number, since it uses as much as digits as its factorization.

16695997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6683.

The product of its digits is 918540, while the sum is 52.

The square root of 16695997 is about 4086.0735431463. The cubic root of 16695997 is about 255.5862303934.

The spelling of 16695997 in words is "sixteen million, six hundred ninety-five thousand, nine hundred ninety-seven".