116441621 has 2 divisors, whose sum is σ = 116441622. Its totient is φ = 116441620.

The previous prime is 116441581. The next prime is 116441651. The reversal of 116441621 is 126144611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114725521 + 1716100 = 10711^2 + 1310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116441621 is a prime.

It is a super-2 number, since 2×116441621² = 27117302202215282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116441651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58220810 + 58220811.

It is an arithmetic number, because the mean of its divisors is an integer number (58220811).

Almost surely, 2^116441621 is an apocalyptic number.

It is an amenable number.

116441621 is a deficient number, since it is larger than the sum of its proper divisors (1).

116441621 is an equidigital number, since it uses as much as digits as its factorization.

116441621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 26.

The square root of 116441621 is about 10790.8118786308. The cubic root of 116441621 is about 488.3180161405.

The spelling of 116441621 in words is "one hundred sixteen million, four hundred forty-one thousand, six hundred twenty-one".