16180097 has 4 divisors (see below), whose sum is σ = 16197636. Its totient is φ = 16162560.

The previous prime is 16180091. The next prime is 16180121. The reversal of 16180097 is 79008161.

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 7706176 + 8473921 = 2776^2 + 2911^2 .

It is a cyclic number.

It is not a de Polignac number, because 16180097 - 2⁶ = 16180033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16180091) 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, 7304 + ... + 9257.

It is an arithmetic number, because the mean of its divisors is an integer number (4049409).

Almost surely, 2^16180097 is an apocalyptic number.

It is an amenable number.

16180097 is a deficient number, since it is larger than the sum of its proper divisors (17539).

16180097 is an equidigital number, since it uses as much as digits as its factorization.

16180097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17538.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 16180097 is about 4022.4491295727. The cubic root of 16180097 is about 252.9261346541.

The spelling of 16180097 in words is "sixteen million, one hundred eighty thousand, ninety-seven".