116680221 has 18 divisors (see below), whose sum is σ = 196055262. Its totient is φ = 66674160.

The previous prime is 116680177. The next prime is 116680241. The reversal of 116680221 is 122086611.

It can be written as a sum of positive squares in only one way, i.e., 97416900 + 19263321 = 9870^2 + 4389^2 .

It is not a de Polignac number, because 116680221 - 2¹⁰ = 116679197 is a prime.

It is a super-2 number, since 2×116680221² = 27228547945217682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116680241) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 131850 + ... + 132731.

It is an arithmetic number, because the mean of its divisors is an integer number (10891959).

Almost surely, 2^116680221 is an apocalyptic number.

It is an amenable number.

116680221 is a deficient number, since it is larger than the sum of its proper divisors (79375041).

116680221 is a wasteful number, since it uses less digits than its factorization.

116680221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264601 (or 264591 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 116680221 is about 10801.8619228353. The cubic root of 116680221 is about 488.6513253308.

The spelling of 116680221 in words is "one hundred sixteen million, six hundred eighty thousand, two hundred twenty-one".