8161707 has 8 divisors (see below), whose sum is σ = 10923520. Its totient is φ = 5420520.

The previous prime is 8161687. The next prime is 8161753. The reversal of 8161707 is 7071618.

8161707 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8161707 - 2⁷ = 8161579 is a prime.

It is a super-2 number, since 2×8161707² = 133226922307698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a 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 in 7 ways as a sum of consecutive naturals, for example, 4207 + ... + 5832.

It is an arithmetic number, because the mean of its divisors is an integer number (1365440).

Almost surely, 2^8161707 is an apocalyptic number.

8161707 is a deficient number, since it is larger than the sum of its proper divisors (2761813).

8161707 is a wasteful number, since it uses less digits than its factorization.

8161707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10313.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 8161707 is about 2856.8701405559. The cubic root of 8161707 is about 201.3385793725.

The spelling of 8161707 in words is "eight million, one hundred sixty-one thousand, seven hundred seven".