8106157 has 2 divisors, whose sum is σ = 8106158. Its totient is φ = 8106156.

The previous prime is 8106101. The next prime is 8106173. The reversal of 8106157 is 7516018.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7678441 + 427716 = 2771^2 + 654^2 .

It is a cyclic number.

It is not a de Polignac number, because 8106157 - 2¹⁵ = 8073389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8106257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4053078 + 4053079.

It is an arithmetic number, because the mean of its divisors is an integer number (4053079).

Almost surely, 2^8106157 is an apocalyptic number.

It is an amenable number.

8106157 is a deficient number, since it is larger than the sum of its proper divisors (1).

8106157 is an equidigital number, since it uses as much as digits as its factorization.

8106157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 8106157 is about 2847.1313633199. The cubic root of 8106157 is about 200.8807573059.

It can be divided in two parts, 81061 and 57, that added together give a palindrome (81118).

The spelling of 8106157 in words is "eight million, one hundred six thousand, one hundred fifty-seven".