618163151 has 2 divisors, whose sum is σ = 618163152. Its totient is φ = 618163150.

The previous prime is 618163121. The next prime is 618163153. The reversal of 618163151 is 151361816.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 618163151 - 2²² = 613968847 is a prime.

Together with 618163153, 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 (618163153) 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, 309081575 + 309081576.

It is an arithmetic number, because the mean of its divisors is an integer number (309081576).

Almost surely, 2^618163151 is an apocalyptic number.

618163151 is a deficient number, since it is larger than the sum of its proper divisors (1).

618163151 is an equidigital number, since it uses as much as digits as its factorization.

618163151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 32.

The square root of 618163151 is about 24862.8870206177. The cubic root of 618163151 is about 851.8589768391.

The spelling of 618163151 in words is "six hundred eighteen million, one hundred sixty-three thousand, one hundred fifty-one".