116881657 has 2 divisors, whose sum is σ = 116881658. Its totient is φ = 116881656.

The previous prime is 116881651. The next prime is 116881703. The reversal of 116881657 is 756188611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71978256 + 44903401 = 8484^2 + 6701^2 .

It is a cyclic number.

It is not a de Polignac number, because 116881657 - 2¹⁹ = 116357369 is a prime.

It is a super-2 number, since 2×116881657² = 27322643486131298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (116881651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58440828 + 58440829.

It is an arithmetic number, because the mean of its divisors is an integer number (58440829).

Almost surely, 2^116881657 is an apocalyptic number.

It is an amenable number.

116881657 is a deficient number, since it is larger than the sum of its proper divisors (1).

116881657 is an equidigital number, since it uses as much as digits as its factorization.

116881657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 43.

The square root of 116881657 is about 10811.1820352818. The cubic root of 116881657 is about 488.9323651897.

The spelling of 116881657 in words is "one hundred sixteen million, eight hundred eighty-one thousand, six hundred fifty-seven".