16997007 has 8 divisors (see below), whose sum is σ = 22757680. Its totient is φ = 11283840.

The previous prime is 16997003. The next prime is 16997009. The reversal of 16997007 is 70079961.

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

It is not a de Polignac number, because 16997007 - 2² = 16997003 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 (16997003) 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, 11032 + ... + 12477.

It is an arithmetic number, because the mean of its divisors is an integer number (2844710).

Almost surely, 2^16997007 is an apocalyptic number.

16997007 is a deficient number, since it is larger than the sum of its proper divisors (5760673).

16997007 is a wasteful number, since it uses less digits than its factorization.

16997007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23753.

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 16997007 is about 4122.7426550780. The cubic root of 16997007 is about 257.1130682864.

The spelling of 16997007 in words is "sixteen million, nine hundred ninety-seven thousand, seven".