116066557 has 2 divisors, whose sum is σ = 116066558. Its totient is φ = 116066556.

The previous prime is 116066549. The next prime is 116066593. The reversal of 116066557 is 755660611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59305401 + 56761156 = 7701^2 + 7534^2 .

It is a cyclic number.

It is not a de Polignac number, because 116066557 - 2³ = 116066549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116066527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58033278 + 58033279.

It is an arithmetic number, because the mean of its divisors is an integer number (58033279).

Almost surely, 2^116066557 is an apocalyptic number.

It is an amenable number.

116066557 is a deficient number, since it is larger than the sum of its proper divisors (1).

116066557 is an equidigital number, since it uses as much as digits as its factorization.

116066557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 116066557 is about 10773.4190023409. The cubic root of 116066557 is about 487.7931536816.

The spelling of 116066557 in words is "one hundred sixteen million, sixty-six thousand, five hundred fifty-seven".