116220646555 has 16 divisors (see below), whose sum is σ = 150246692064. Its totient is φ = 85793702400.

The previous prime is 116220646543. The next prime is 116220646559. The reversal of 116220646555 is 555646022611.

It is not a de Polignac number, because 116220646555 - 2¹⁵ = 116220613787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116220646559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137109 + ... + 501238.

It is an arithmetic number, because the mean of its divisors is an integer number (9390418254).

Almost surely, 2^116220646555 is an apocalyptic number.

116220646555 is a deficient number, since it is larger than the sum of its proper divisors (34026045509).

116220646555 is a wasteful number, since it uses less digits than its factorization.

116220646555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641166.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 116220646555 in words is "one hundred sixteen billion, two hundred twenty million, six hundred forty-six thousand, five hundred fifty-five".