18082151 has 2 divisors, whose sum is σ = 18082152. Its totient is φ = 18082150.

The previous prime is 18082111. The next prime is 18082157. The reversal of 18082151 is 15128081.

It is a strong prime.

It is an emirp because it is prime and its reverse (15128081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18082151 - 2⁶ = 18082087 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18082151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18082157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9041075 + 9041076.

It is an arithmetic number, because the mean of its divisors is an integer number (9041076).

Almost surely, 2^18082151 is an apocalyptic number.

18082151 is a deficient number, since it is larger than the sum of its proper divisors (1).

18082151 is an equidigital number, since it uses as much as digits as its factorization.

18082151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 18082151 is about 4252.3112538948. The cubic root of 18082151 is about 262.4722316809.

The spelling of 18082151 in words is "eighteen million, eighty-two thousand, one hundred fifty-one".