163086427 has 4 divisors (see below), whose sum is σ = 186384496. Its totient is φ = 139788360.

The previous prime is 163086403. The next prime is 163086431. The reversal of 163086427 is 724680361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 163086427 - 2²³ = 154697819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163086527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11649024 + ... + 11649037.

It is an arithmetic number, because the mean of its divisors is an integer number (46596124).

Almost surely, 2^163086427 is an apocalyptic number.

163086427 is a deficient number, since it is larger than the sum of its proper divisors (23298069).

163086427 is an equidigital number, since it uses as much as digits as its factorization.

163086427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23298068.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 163086427 is about 12770.5296287977. The cubic root of 163086427 is about 546.3520865500.

The spelling of 163086427 in words is "one hundred sixty-three million, eighty-six thousand, four hundred twenty-seven".