67116157 has 2 divisors, whose sum is σ = 67116158. Its totient is φ = 67116156.

The previous prime is 67116149. The next prime is 67116169. The reversal of 67116157 is 75161176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65836996 + 1279161 = 8114^2 + 1131^2 .

It is a cyclic number.

It is not a de Polignac number, because 67116157 - 2³ = 67116149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67116107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33558078 + 33558079.

It is an arithmetic number, because the mean of its divisors is an integer number (33558079).

Almost surely, 2^67116157 is an apocalyptic number.

It is an amenable number.

67116157 is a deficient number, since it is larger than the sum of its proper divisors (1).

67116157 is an equidigital number, since it uses as much as digits as its factorization.

67116157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 34.

The square root of 67116157 is about 8192.4451173017. The cubic root of 67116157 is about 406.3893895804.

The spelling of 67116157 in words is "sixty-seven million, one hundred sixteen thousand, one hundred fifty-seven".