116821732 has 12 divisors (see below), whose sum is σ = 204692796. Its totient is φ = 58338080.

The previous prime is 116821729. The next prime is 116821741. The reversal of 116821732 is 237128611.

It can be written as a sum of positive squares in 2 ways, for example, as 25160256 + 91661476 = 5016^2 + 9574^2 .

It is a junction number, because it is equal to n+sod(n) for n = 116821694 and 116821703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14503 + ... + 21070.

It is an arithmetic number, because the mean of its divisors is an integer number (17057733).

Almost surely, 2^116821732 is an apocalyptic number.

It is an amenable number.

116821732 is a deficient number, since it is larger than the sum of its proper divisors (87871064).

116821732 is a wasteful number, since it uses less digits than its factorization.

116821732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36398 (or 36396 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 116821732 is about 10808.4102438795. The cubic root of 116821732 is about 488.8487926788.

The spelling of 116821732 in words is "one hundred sixteen million, eight hundred twenty-one thousand, seven hundred thirty-two".