163861627 has 2 divisors, whose sum is σ = 163861628. Its totient is φ = 163861626.

The previous prime is 163861613. The next prime is 163861651. The reversal of 163861627 is 726168361.

It is a happy number.

163861627 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163861627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163861627.

It is not a weakly prime, because it can be changed into another prime (163861697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81930813 + 81930814.

It is an arithmetic number, because the mean of its divisors is an integer number (81930814).

Almost surely, 2^163861627 is an apocalyptic number.

163861627 is a deficient number, since it is larger than the sum of its proper divisors (1).

163861627 is an equidigital number, since it uses as much as digits as its factorization.

163861627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 163861627 is about 12800.8447768106. The cubic root of 163861627 is about 547.2163784722.

The spelling of 163861627 in words is "one hundred sixty-three million, eight hundred sixty-one thousand, six hundred twenty-seven".