118167457 has 2 divisors, whose sum is σ = 118167458. Its totient is φ = 118167456.

The previous prime is 118167451. The next prime is 118167461. The reversal of 118167457 is 754761811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117852736 + 314721 = 10856^2 + 561^2 .

It is an emirp because it is prime and its reverse (754761811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118167457 - 2²³ = 109778849 is a prime.

It is not a weakly prime, because it can be changed into another prime (118167451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59083728 + 59083729.

It is an arithmetic number, because the mean of its divisors is an integer number (59083729).

Almost surely, 2^118167457 is an apocalyptic number.

It is an amenable number.

118167457 is a deficient number, since it is larger than the sum of its proper divisors (1).

118167457 is an equidigital number, since it uses as much as digits as its factorization.

118167457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 40.

The square root of 118167457 is about 10870.4855917296. The cubic root of 118167457 is about 490.7187245290.

The spelling of 118167457 in words is "one hundred eighteen million, one hundred sixty-seven thousand, four hundred fifty-seven".