116660774381 has 8 divisors (see below), whose sum is σ = 126535933944. Its totient is φ = 107120366080.

The previous prime is 116660774369. The next prime is 116660774389. The reversal of 116660774381 is 183477066611.

It can be written as a sum of positive squares in 4 ways, for example, as 41997944356 + 74662830025 = 204934^2 + 273245^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116660774381 - 2¹⁸ = 116660512237 is a prime.

It is a super-2 number, since 2×116660774381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116660774389) 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 7 ways as a sum of consecutive naturals, for example, 83687090 + ... + 83688483.

It is an arithmetic number, because the mean of its divisors is an integer number (15816991743).

Almost surely, 2^116660774381 is an apocalyptic number.

It is an amenable number.

116660774381 is a deficient number, since it is larger than the sum of its proper divisors (9875159563).

116660774381 is a wasteful number, since it uses less digits than its factorization.

116660774381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167375631.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 116660774381 in words is "one hundred sixteen billion, six hundred sixty million, seven hundred seventy-four thousand, three hundred eighty-one".