16675091 has 2 divisors, whose sum is σ = 16675092. Its totient is φ = 16675090.

The previous prime is 16675073. The next prime is 16675133. The reversal of 16675091 is 19057661.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16675091 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16675051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8337545 + 8337546.

It is an arithmetic number, because the mean of its divisors is an integer number (8337546).

Almost surely, 2^16675091 is an apocalyptic number.

16675091 is a deficient number, since it is larger than the sum of its proper divisors (1).

16675091 is an equidigital number, since it uses as much as digits as its factorization.

16675091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 16675091 is about 4083.5145401970. The cubic root of 16675091 is about 255.4795078559.

It can be divided in two parts, 166 and 75091, that added together give a palindrome (75257).

The spelling of 16675091 in words is "sixteen million, six hundred seventy-five thousand, ninety-one".