116857081 has 12 divisors (see below), whose sum is σ = 129237696. Its totient is φ = 105579320.

The previous prime is 116857079. The next prime is 116857123. The reversal of 116857081 is 180758611.

It is not a de Polignac number, because 116857081 - 2¹ = 116857079 is a prime.

It is a super-3 number, since 3×116857081³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116857081.

It is not an unprimeable number, because it can be changed into a prime (116857001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17316 + ... + 23098.

It is an arithmetic number, because the mean of its divisors is an integer number (10769808).

Almost surely, 2^116857081 is an apocalyptic number.

116857081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

116857081 is a deficient number, since it is larger than the sum of its proper divisors (12380615).

116857081 is a wasteful number, since it uses less digits than its factorization.

116857081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5972 (or 5961 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 37.

The square root of 116857081 is about 10810.0453745579. The cubic root of 116857081 is about 488.8980945026.

The spelling of 116857081 in words is "one hundred sixteen million, eight hundred fifty-seven thousand, eighty-one".