116639642 has 16 divisors (see below), whose sum is σ = 200219712. Its totient is φ = 49921920.

The previous prime is 116639641. The next prime is 116639683. The reversal of 116639642 is 246936611.

It is a junction number, because it is equal to n+sod(n) for n = 116639596 and 116639605.

It is not an unprimeable number, because it can be changed into a prime (116639641) 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 7 ways as a sum of consecutive naturals, for example, 6218 + ... + 16490.

It is an arithmetic number, because the mean of its divisors is an integer number (12513732).

Almost surely, 2^116639642 is an apocalyptic number.

116639642 is a deficient number, since it is larger than the sum of its proper divisors (83580070).

116639642 is a wasteful number, since it uses less digits than its factorization.

116639642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11093.

The product of its digits is 46656, while the sum is 38.

The square root of 116639642 is about 10799.9834259132. The cubic root of 116639642 is about 488.5946711093.

The spelling of 116639642 in words is "one hundred sixteen million, six hundred thirty-nine thousand, six hundred forty-two".