116209680194 has 4 divisors (see below), whose sum is σ = 174314520294. Its totient is φ = 58104840096.

The previous prime is 116209680187. The next prime is 116209680199. The reversal of 116209680194 is 491086902611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 491086902611 = 797 ⋅616169263.

It can be written as a sum of positive squares in only one way, i.e., 111953814025 + 4255866169 = 334595^2 + 65237^2 .

It is not an unprimeable number, because it can be changed into a prime (116209680199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29052420047 + ... + 29052420050.

Almost surely, 2^116209680194 is an apocalyptic number.

116209680194 is a deficient number, since it is larger than the sum of its proper divisors (58104840100).

116209680194 is an equidigital number, since it uses as much as digits as its factorization.

116209680194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58104840099.

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 116209680194 in words is "one hundred sixteen billion, two hundred nine million, six hundred eighty thousand, one hundred ninety-four".