16902097 has 4 divisors (see below), whose sum is σ = 17896356. Its totient is φ = 15907840.

The previous prime is 16902091. The next prime is 16902107. The reversal of 16902097 is 79020961.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8785296 + 8116801 = 2964^2 + 2849^2 .

It is a cyclic number.

It is not a de Polignac number, because 16902097 - 2¹¹ = 16900049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16902091) 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, 497104 + ... + 497137.

It is an arithmetic number, because the mean of its divisors is an integer number (4474089).

Almost surely, 2^16902097 is an apocalyptic number.

16902097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16902097 is a deficient number, since it is larger than the sum of its proper divisors (994259).

16902097 is an equidigital number, since it uses as much as digits as its factorization.

16902097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994258.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 16902097 is about 4111.2160001635. The cubic root of 16902097 is about 256.6336081183.

The spelling of 16902097 in words is "sixteen million, nine hundred two thousand, ninety-seven".