116533220651 has 4 divisors (see below), whose sum is σ = 120551607600. Its totient is φ = 112514833704.

The previous prime is 116533220623. The next prime is 116533220653. The reversal of 116533220651 is 156022335611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116533220651 - 2³⁴ = 99353351467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116533220653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009193431 + ... + 2009193488.

It is an arithmetic number, because the mean of its divisors is an integer number (30137901900).

Almost surely, 2^116533220651 is an apocalyptic number.

116533220651 is a deficient number, since it is larger than the sum of its proper divisors (4018386949).

116533220651 is an equidigital number, since it uses as much as digits as its factorization.

116533220651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4018386948.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 116533220651 in words is "one hundred sixteen billion, five hundred thirty-three million, two hundred twenty thousand, six hundred fifty-one".