116228041989921 has 63 divisors (see below), whose sum is σ = 175132966802241. Its totient is φ = 77100159376584.

The previous prime is 116228041989907. The next prime is 116228041989937. The reversal of 116228041989921 is 129989140822611.

The square root of 116228041989921 is 10780911.

It is a perfect power (a square), and thus also a powerful number.

116228041989921 is a `hidden beast` number, since 1 + 1 + 62 + 2 + 80 + 419 + 89 + 9 + 2 + 1 = 666.

It is not a de Polignac number, because 116228041989921 - 2²⁵ = 116228008435489 is a prime.

It is a super-4 number, since 4×116228041989921⁴ (a number of 57 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (116228041989901) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 66076202640 + ... + 66076204398.

Almost surely, 2^{116228041989921} is an apocalyptic number.

116228041989921 is the 10780911-st square number.

116228041989921 is the 5390456-th centered octagonal number.

It is an amenable number.

116228041989921 is a deficient number, since it is larger than the sum of its proper divisors (58904924812320).

116228041989921 is an frugal number, since it uses more digits than its factorization.

116228041989921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3990 (or 1989 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 63.

The spelling of 116228041989921 in words is "one hundred sixteen trillion, two hundred twenty-eight billion, forty-one million, nine hundred eighty-nine thousand, nine hundred twenty-one".