116665853 has 2 divisors, whose sum is σ = 116665854. Its totient is φ = 116665852.

The previous prime is 116665841. The next prime is 116665873. The reversal of 116665853 is 358566611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97673689 + 18992164 = 9883^2 + 4358^2 .

It is a cyclic number.

It is not a de Polignac number, because 116665853 - 2¹² = 116661757 is a prime.

It is a super-2 number, since 2×116665853² = 27221842512435218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 116665853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116665873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58332926 + 58332927.

It is an arithmetic number, because the mean of its divisors is an integer number (58332927).

Almost surely, 2^116665853 is an apocalyptic number.

It is an amenable number.

116665853 is a deficient number, since it is larger than the sum of its proper divisors (1).

116665853 is an equidigital number, since it uses as much as digits as its factorization.

116665853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 41.

The square root of 116665853 is about 10801.1968318330. The cubic root of 116665853 is about 488.6312670028.

The spelling of 116665853 in words is "one hundred sixteen million, six hundred sixty-five thousand, eight hundred fifty-three".