8161627 has 2 divisors, whose sum is σ = 8161628. Its totient is φ = 8161626.

The previous prime is 8161607. The next prime is 8161631. The reversal of 8161627 is 7261618.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8161627 is a prime.

It is a super-2 number, since 2×8161627² = 133224310574258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8161607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4080813 + 4080814.

It is an arithmetic number, because the mean of its divisors is an integer number (4080814).

Almost surely, 2^8161627 is an apocalyptic number.

8161627 is a deficient number, since it is larger than the sum of its proper divisors (1).

8161627 is an equidigital number, since it uses as much as digits as its factorization.

8161627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 31.

The square root of 8161627 is about 2856.8561391852. The cubic root of 8161627 is about 201.3379215387.

Subtracting from 8161627 its reverse (7261618), we obtain a palindrome (900009).

The spelling of 8161627 in words is "eight million, one hundred sixty-one thousand, six hundred twenty-seven".