8416680157 has 2 divisors, whose sum is σ = 8416680158. Its totient is φ = 8416680156.

The previous prime is 8416680149. The next prime is 8416680169. The reversal of 8416680157 is 7510866148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4756309156 + 3660371001 = 68966^2 + 60501^2 .

It is a cyclic number.

It is not a de Polignac number, because 8416680157 - 2³ = 8416680149 is a prime.

It is a super-3 number, since 3×8416680157³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8416680187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4208340078 + 4208340079.

It is an arithmetic number, because the mean of its divisors is an integer number (4208340079).

Almost surely, 2^8416680157 is an apocalyptic number.

It is an amenable number.

8416680157 is a deficient number, since it is larger than the sum of its proper divisors (1).

8416680157 is an equidigital number, since it uses as much as digits as its factorization.

8416680157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 8416680157 is about 91742.4664863552. The cubic root of 8416680157 is about 2034.1373518330.

The spelling of 8416680157 in words is "eight billion, four hundred sixteen million, six hundred eighty thousand, one hundred fifty-seven".