18410886157 has 2 divisors, whose sum is σ = 18410886158. Its totient is φ = 18410886156.

The previous prime is 18410886119. The next prime is 18410886173. The reversal of 18410886157 is 75168801481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14089927401 + 4320958756 = 118701^2 + 65734^2 .

It is a cyclic number.

It is not a de Polignac number, because 18410886157 - 2²⁷ = 18276668429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18410886157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18410886257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9205443078 + 9205443079.

It is an arithmetic number, because the mean of its divisors is an integer number (9205443079).

Almost surely, 2^18410886157 is an apocalyptic number.

It is an amenable number.

18410886157 is a deficient number, since it is larger than the sum of its proper divisors (1).

18410886157 is an equidigital number, since it uses as much as digits as its factorization.

18410886157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 430080, while the sum is 49.

The spelling of 18410886157 in words is "eighteen billion, four hundred ten million, eight hundred eighty-six thousand, one hundred fifty-seven".