16308097097 has 4 divisors (see below), whose sum is σ = 16748856516. Its totient is φ = 15867337680.

The previous prime is 16308097079. The next prime is 16308097103. The reversal of 16308097097 is 79079080361.

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 15251262016 + 1056835081 = 123496^2 + 32509^2 .

It is a cyclic number.

It is not a de Polignac number, because 16308097097 - 2¹⁶ = 16308031561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16308097067) 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, 220379654 + ... + 220379727.

It is an arithmetic number, because the mean of its divisors is an integer number (4187214129).

Almost surely, 2^16308097097 is an apocalyptic number.

It is an amenable number.

16308097097 is a deficient number, since it is larger than the sum of its proper divisors (440759419).

16308097097 is an equidigital number, since it uses as much as digits as its factorization.

16308097097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440759418.

The product of its (nonzero) digits is 571536, while the sum is 50.

The spelling of 16308097097 in words is "sixteen billion, three hundred eight million, ninety-seven thousand, ninety-seven".