16897475 has 12 divisors (see below), whose sum is σ = 23946384. Its totient is φ = 11586720.

The previous prime is 16897471. The next prime is 16897481. The reversal of 16897475 is 57479861.

It is not a de Polignac number, because 16897475 - 2² = 16897471 is a prime.

It is a super-2 number, since 2×16897475² = 571049322751250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16897471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48104 + ... + 48453.

It is an arithmetic number, because the mean of its divisors is an integer number (1995532).

Almost surely, 2^16897475 is an apocalyptic number.

16897475 is a deficient number, since it is larger than the sum of its proper divisors (7048909).

16897475 is an equidigital number, since it uses as much as digits as its factorization.

16897475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96574 (or 96569 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The square root of 16897475 is about 4110.6538409358. The cubic root of 16897475 is about 256.6102132170.

The spelling of 16897475 in words is "sixteen million, eight hundred ninety-seven thousand, four hundred seventy-five".