618162263 has 2 divisors, whose sum is σ = 618162264. Its totient is φ = 618162262.

The previous prime is 618162253. The next prime is 618162271. The reversal of 618162263 is 362261816.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 618162263 - 2⁴ = 618162247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (618162203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309081131 + 309081132.

It is an arithmetic number, because the mean of its divisors is an integer number (309081132).

Almost surely, 2^618162263 is an apocalyptic number.

618162263 is a deficient number, since it is larger than the sum of its proper divisors (1).

618162263 is an equidigital number, since it uses as much as digits as its factorization.

618162263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 618162263 is about 24862.8691626691. The cubic root of 618162263 is about 851.8585689365.

It can be divided in two parts, 6181622 and 63, that multiplied together give a triangular number (389442186 = T₂₇₉₀₈).

The spelling of 618162263 in words is "six hundred eighteen million, one hundred sixty-two thousand, two hundred sixty-three".