18583600157 has 2 divisors, whose sum is σ = 18583600158. Its totient is φ = 18583600156.

The previous prime is 18583600153. The next prime is 18583600159. The reversal of 18583600157 is 75100638581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16725214276 + 1858385881 = 129326^2 + 43109^2 .

It is a cyclic number.

It is not a de Polignac number, because 18583600157 - 2² = 18583600153 is a prime.

Together with 18583600159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18583600153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9291800078 + 9291800079.

It is an arithmetic number, because the mean of its divisors is an integer number (9291800079).

Almost surely, 2^18583600157 is an apocalyptic number.

It is an amenable number.

18583600157 is a deficient number, since it is larger than the sum of its proper divisors (1).

18583600157 is an equidigital number, since it uses as much as digits as its factorization.

18583600157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 18583600157 in words is "eighteen billion, five hundred eighty-three million, six hundred thousand, one hundred fifty-seven".