8108161407 has 24 divisors (see below), whose sum is σ = 12465015264. Its totient is φ = 5061095424.

The previous prime is 8108161387. The next prime is 8108161409. The reversal of 8108161407 is 7041618018.

8108161407 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8108161407 - 2⁸ = 8108161151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8108161409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107763 + ... + 166820.

It is an arithmetic number, because the mean of its divisors is an integer number (519375636).

Almost surely, 2^8108161407 is an apocalyptic number.

8108161407 is a deficient number, since it is larger than the sum of its proper divisors (4356853857).

8108161407 is a wasteful number, since it uses less digits than its factorization.

8108161407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274799 (or 274796 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 8108161407 is about 90045.3297345287. The cubic root of 8108161407 is about 2008.9731318284.

The spelling of 8108161407 in words is "eight billion, one hundred eight million, one hundred sixty-one thousand, four hundred seven".