16970005 has 8 divisors (see below), whose sum is σ = 21930552. Its totient is φ = 12531648.

The previous prime is 16970003. The next prime is 16970027. The reversal of 16970005 is 50007961.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2331729 + 14638276 = 1527^2 + 3826^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 16970005 - 2¹ = 16970003 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 (16970003) 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, 130474 + ... + 130603.

It is an arithmetic number, because the mean of its divisors is an integer number (2741319).

Almost surely, 2^16970005 is an apocalyptic number.

It is an amenable number.

16970005 is a deficient number, since it is larger than the sum of its proper divisors (4960547).

16970005 is a wasteful number, since it uses less digits than its factorization.

16970005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261095.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 16970005 is about 4119.4665916839. The cubic root of 16970005 is about 256.9768433869.

Adding to 16970005 its reverse (50007961), we get a palindrome (66977966).

The spelling of 16970005 in words is "sixteen million, nine hundred seventy thousand, five".