16700017 has 4 divisors (see below), whose sum is σ = 16779376. Its totient is φ = 16620660.

The previous prime is 16700003. The next prime is 16700023. The reversal of 16700017 is 71000761.

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 a cyclic number.

It is not a de Polignac number, because 16700017 - 2¹¹ = 16697969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16700417) 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, 39363 + ... + 39784.

It is an arithmetic number, because the mean of its divisors is an integer number (4194844).

Almost surely, 2^16700017 is an apocalyptic number.

It is an amenable number.

16700017 is a deficient number, since it is larger than the sum of its proper divisors (79359).

16700017 is an equidigital number, since it uses as much as digits as its factorization.

16700017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79358.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 16700017 is about 4086.5654283273. The cubic root of 16700017 is about 255.6067417809.

Adding to 16700017 its reverse (71000761), we get a palindrome (87700778).

The spelling of 16700017 in words is "sixteen million, seven hundred thousand, seventeen".