16497271 has 10 divisors (see below), whose sum is σ = 19248472. Its totient is φ = 14138460.

The previous prime is 16497253. The next prime is 16497277. The reversal of 16497271 is 17279461.

It is not a de Polignac number, because 16497271 - 2¹¹ = 16495223 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 16497271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16497277) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1035 + ... + 5836.

Almost surely, 2^16497271 is an apocalyptic number.

16497271 is a deficient number, since it is larger than the sum of its proper divisors (2751201).

16497271 is an frugal number, since it uses more digits than its factorization.

16497271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6899 (or 6878 counting only the distinct ones).

The product of its digits is 21168, while the sum is 37.

The square root of 16497271 is about 4061.6832717483. The cubic root of 16497271 is about 254.5681322599.

The spelling of 16497271 in words is "sixteen million, four hundred ninety-seven thousand, two hundred seventy-one".