8161607 has 2 divisors, whose sum is σ = 8161608. Its totient is φ = 8161606.

The previous prime is 8161591. The next prime is 8161627. The reversal of 8161607 is 7061618.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8161607 - 2⁴ = 8161591 is a prime.

It is a super-2 number, since 2×8161607² = 133223657644898, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8161607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8161627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4080803 + 4080804.

It is an arithmetic number, because the mean of its divisors is an integer number (4080804).

Almost surely, 2^8161607 is an apocalyptic number.

8161607 is a deficient number, since it is larger than the sum of its proper divisors (1).

8161607 is an equidigital number, since it uses as much as digits as its factorization.

8161607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 8161607 is about 2856.8526388318. The cubic root of 8161607 is about 201.3377570796.

The spelling of 8161607 in words is "eight million, one hundred sixty-one thousand, six hundred seven".