18016792903 has 2 divisors, whose sum is σ = 18016792904. Its totient is φ = 18016792902.

The previous prime is 18016792873. The next prime is 18016792943. The reversal of 18016792903 is 30929761081.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18016792903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18016792943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9008396451 + 9008396452.

It is an arithmetic number, because the mean of its divisors is an integer number (9008396452).

Almost surely, 2^18016792903 is an apocalyptic number.

18016792903 is a deficient number, since it is larger than the sum of its proper divisors (1).

18016792903 is an equidigital number, since it uses as much as digits as its factorization.

18016792903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 18016792903 in words is "eighteen billion, sixteen million, seven hundred ninety-two thousand, nine hundred three".