16975963 has 4 divisors (see below), whose sum is σ = 17109760. Its totient is φ = 16842168.

The previous prime is 16975957. The next prime is 16976023. The reversal of 16975963 is 36957961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36957961 = 3373 ⋅10957.

It is a cyclic number.

It is not a de Polignac number, because 16975963 - 2¹³ = 16967771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16975913) 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, 66708 + ... + 66961.

It is an arithmetic number, because the mean of its divisors is an integer number (4277440).

Almost surely, 2^16975963 is an apocalyptic number.

16975963 is a deficient number, since it is larger than the sum of its proper divisors (133797).

16975963 is a wasteful number, since it uses less digits than its factorization.

16975963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133796.

The product of its digits is 306180, while the sum is 46.

The square root of 16975963 is about 4120.1896800997. The cubic root of 16975963 is about 257.0069138728.

The spelling of 16975963 in words is "sixteen million, nine hundred seventy-five thousand, nine hundred sixty-three".