16108387 has 2 divisors, whose sum is σ = 16108388. Its totient is φ = 16108386.

The previous prime is 16108321. The next prime is 16108403. The reversal of 16108387 is 78380161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16108387 - 2⁷ = 16108259 is a prime.

It is not a weakly prime, because it can be changed into another prime (16108307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8054193 + 8054194.

It is an arithmetic number, because the mean of its divisors is an integer number (8054194).

Almost surely, 2^16108387 is an apocalyptic number.

16108387 is a deficient number, since it is larger than the sum of its proper divisors (1).

16108387 is an equidigital number, since it uses as much as digits as its factorization.

16108387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 16108387 is about 4013.5255075806. The cubic root of 16108387 is about 252.5519260590.

The spelling of 16108387 in words is "sixteen million, one hundred eight thousand, three hundred eighty-seven".