16697001 has 4 divisors (see below), whose sum is σ = 22262672. Its totient is φ = 11131332.

The previous prime is 16696997. The next prime is 16697041. The reversal of 16697001 is 10079661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16697001 - 2² = 16696997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16697001.

It is not an unprimeable number, because it can be changed into a prime (16697041) 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, 2782831 + ... + 2782836.

It is an arithmetic number, because the mean of its divisors is an integer number (5565668).

Almost surely, 2^16697001 is an apocalyptic number.

It is an amenable number.

16697001 is a deficient number, since it is larger than the sum of its proper divisors (5565671).

16697001 is an equidigital number, since it uses as much as digits as its factorization.

16697001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565670.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 16697001 is about 4086.1963976295. The cubic root of 16697001 is about 255.5913534464.

The spelling of 16697001 in words is "sixteen million, six hundred ninety-seven thousand, one".