16408097 has 4 divisors (see below), whose sum is σ = 16558740. Its totient is φ = 16257456.

The previous prime is 16408087. The next prime is 16408127. The reversal of 16408097 is 79080461.

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 13278736 + 3129361 = 3644^2 + 1769^2 .

It is a cyclic number.

It is not a de Polignac number, because 16408097 - 2⁶ = 16408033 is a prime.

It is a super-2 number, since 2×16408097² = 538451294322818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16408027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75158 + ... + 75375.

It is an arithmetic number, because the mean of its divisors is an integer number (4139685).

Almost surely, 2^16408097 is an apocalyptic number.

It is an amenable number.

16408097 is a deficient number, since it is larger than the sum of its proper divisors (150643).

16408097 is a wasteful number, since it uses less digits than its factorization.

16408097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150642.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 16408097 is about 4050.6909287182. The cubic root of 16408097 is about 254.1086242571.

The spelling of 16408097 in words is "sixteen million, four hundred eight thousand, ninety-seven".