18608162401 has 2 divisors, whose sum is σ = 18608162402. Its totient is φ = 18608162400.

The previous prime is 18608162381. The next prime is 18608162431. The reversal of 18608162401 is 10426180681.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17496940176 + 1111222225 = 132276^2 + 33335^2 .

It is a cyclic number.

It is not a de Polignac number, because 18608162401 - 2⁷ = 18608162273 is a prime.

It is not a weakly prime, because it can be changed into another prime (18608162431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9304081200 + 9304081201.

It is an arithmetic number, because the mean of its divisors is an integer number (9304081201).

Almost surely, 2^18608162401 is an apocalyptic number.

It is an amenable number.

18608162401 is a deficient number, since it is larger than the sum of its proper divisors (1).

18608162401 is an equidigital number, since it uses as much as digits as its factorization.

18608162401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 18608162401 in words is "eighteen billion, six hundred eight million, one hundred sixty-two thousand, four hundred one".