16897497 has 8 divisors (see below), whose sum is σ = 22762656. Its totient is φ = 11148672.

The previous prime is 16897483. The next prime is 16897553. The reversal of 16897497 is 79479861.

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

It is not a de Polignac number, because 16897497 - 2⁴ = 16897481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16897417) 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, 28743 + ... + 29324.

It is an arithmetic number, because the mean of its divisors is an integer number (2845332).

Almost surely, 2^16897497 is an apocalyptic number.

It is an amenable number.

16897497 is a deficient number, since it is larger than the sum of its proper divisors (5865159).

16897497 is an equidigital number, since it uses as much as digits as its factorization.

16897497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58167.

The product of its digits is 762048, while the sum is 51.

The square root of 16897497 is about 4110.6565169082. The cubic root of 16897497 is about 256.6103245832.

It can be divided in two parts, 168974 and 97, that added together give a triangular number (169071 = T₅₈₁).

The spelling of 16897497 in words is "sixteen million, eight hundred ninety-seven thousand, four hundred ninety-seven".