116663749 has 2 divisors, whose sum is σ = 116663750. Its totient is φ = 116663748.

The previous prime is 116663747. The next prime is 116663783. The reversal of 116663749 is 947366611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112211649 + 4452100 = 10593^2 + 2110^2 .

It is a cyclic number.

It is not a de Polignac number, because 116663749 - 2¹ = 116663747 is a prime.

It is a super-2 number, since 2×116663749² = 27220860661470002, which contains 22 as substring.

Together with 116663747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116663747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58331874 + 58331875.

It is an arithmetic number, because the mean of its divisors is an integer number (58331875).

Almost surely, 2^116663749 is an apocalyptic number.

It is an amenable number.

116663749 is a deficient number, since it is larger than the sum of its proper divisors (1).

116663749 is an equidigital number, since it uses as much as digits as its factorization.

116663749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 43.

The square root of 116663749 is about 10801.0994347798. The cubic root of 116663749 is about 488.6283295927.

The spelling of 116663749 in words is "one hundred sixteen million, six hundred sixty-three thousand, seven hundred forty-nine".