16097138 has 6 divisors (see below), whose sum is σ = 24154221. Its totient is φ = 8045732.

The previous prime is 16097101. The next prime is 16097141. The reversal of 16097138 is 83179061.

It can be written as a sum of positive squares in 2 ways, for example, as 10975969 + 5121169 = 3313^2 + 2263^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2837.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16097098 and 16097107.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4256 + ... + 7092.

Almost surely, 2^16097138 is an apocalyptic number.

16097138 is a deficient number, since it is larger than the sum of its proper divisors (8057083).

16097138 is an frugal number, since it uses more digits than its factorization.

16097138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676 (or 2839 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 16097138 is about 4012.1238764525. The cubic root of 16097138 is about 252.4931240163.

The spelling of 16097138 in words is "sixteen million, ninety-seven thousand, one hundred thirty-eight".