116861838 has 8 divisors (see below), whose sum is σ = 233723688. Its totient is φ = 38953944.

The previous prime is 116861821. The next prime is 116861839. The reversal of 116861838 is 838168611.

It is a sphenic number, since it is the product of 3 distinct primes.

116861838 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 116861838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116861839) 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 3 ways as a sum of consecutive naturals, for example, 9738481 + ... + 9738492.

It is an arithmetic number, because the mean of its divisors is an integer number (29215461).

Almost surely, 2^116861838 is an apocalyptic number.

116861838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116861838 is a wasteful number, since it uses less digits than its factorization.

116861838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19476978.

The product of its digits is 55296, while the sum is 42.

The square root of 116861838 is about 10810.2653991472. The cubic root of 116861838 is about 488.9047284086.

The spelling of 116861838 in words is "one hundred sixteen million, eight hundred sixty-one thousand, eight hundred thirty-eight".