116631601 has 2 divisors, whose sum is σ = 116631602. Its totient is φ = 116631600.

The previous prime is 116631587. The next prime is 116631607. The reversal of 116631601 is 106136611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110986225 + 5645376 = 10535^2 + 2376^2 .

It is a cyclic number.

It is not a de Polignac number, because 116631601 - 2⁵ = 116631569 is a prime.

It is not a weakly prime, because it can be changed into another prime (116631607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58315800 + 58315801.

It is an arithmetic number, because the mean of its divisors is an integer number (58315801).

Almost surely, 2^116631601 is an apocalyptic number.

It is an amenable number.

116631601 is a deficient number, since it is larger than the sum of its proper divisors (1).

116631601 is an equidigital number, since it uses as much as digits as its factorization.

116631601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 116631601 is about 10799.6111504072. The cubic root of 116631601 is about 488.5834431369.

The spelling of 116631601 in words is "one hundred sixteen million, six hundred thirty-one thousand, six hundred one".