116196381 has 24 divisors (see below), whose sum is σ = 201913920. Its totient is φ = 62902656.

The previous prime is 116196373. The next prime is 116196383. The reversal of 116196381 is 183691611.

It is a happy number.

116196381 is a `hidden beast` number, since 1 + 1 + 6 + 19 + 638 + 1 = 666.

It is not a de Polignac number, because 116196381 - 2³ = 116196373 is a prime.

It is a super-2 number, since 2×116196381² = 27003197914994322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116196383) 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 in 23 ways as a sum of consecutive naturals, for example, 47340 + ... + 49733.

It is an arithmetic number, because the mean of its divisors is an integer number (8413080).

Almost surely, 2^116196381 is an apocalyptic number.

It is an amenable number.

116196381 is a deficient number, since it is larger than the sum of its proper divisors (85717539).

116196381 is a wasteful number, since it uses less digits than its factorization.

116196381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97105 (or 97102 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 116196381 is about 10779.4425180526. The cubic root of 116196381 is about 487.9749564435.

The spelling of 116196381 in words is "one hundred sixteen million, one hundred ninety-six thousand, three hundred eighty-one".