116791689 has 16 divisors (see below), whose sum is σ = 187335680. Its totient is φ = 63225360.

The previous prime is 116791681. The next prime is 116791691. The reversal of 116791689 is 986197611.

It is not a de Polignac number, because 116791689 - 2³ = 116791681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116791681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145957 + ... + 146754.

It is an arithmetic number, because the mean of its divisors is an integer number (11708480).

Almost surely, 2^116791689 is an apocalyptic number.

116791689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

116791689 is a deficient number, since it is larger than the sum of its proper divisors (70543991).

116791689 is a wasteful number, since it uses less digits than its factorization.

116791689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292740.

The product of its digits is 163296, while the sum is 48.

The square root of 116791689 is about 10807.0203571567. The cubic root of 116791689 is about 488.8068834006.

The spelling of 116791689 in words is "one hundred sixteen million, seven hundred ninety-one thousand, six hundred eighty-nine".