10686157 has 2 divisors, whose sum is σ = 10686158. Its totient is φ = 10686156.

The previous prime is 10686127. The next prime is 10686187. The reversal of 10686157 is 75168601.

10686157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (10686127) and next prime (10686187).

It can be written as a sum of positive squares in only one way, i.e., 8874441 + 1811716 = 2979^2 + 1346^2 .

It is a cyclic number.

It is not a de Polignac number, because 10686157 - 2⁷ = 10686029 is a prime.

It is a super-2 number, since 2×10686157² = 228387902857298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10686127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5343078 + 5343079.

It is an arithmetic number, because the mean of its divisors is an integer number (5343079).

Almost surely, 2^10686157 is an apocalyptic number.

It is an amenable number.

10686157 is a deficient number, since it is larger than the sum of its proper divisors (1).

10686157 is an equidigital number, since it uses as much as digits as its factorization.

10686157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 10686157 is about 3268.9687976486. The cubic root of 10686157 is about 220.2624759788.

It can be divided in two parts, 1068 and 6157, that added together give a square (7225 = 85²).

The spelling of 10686157 in words is "ten million, six hundred eighty-six thousand, one hundred fifty-seven".