116161258 has 4 divisors (see below), whose sum is σ = 174241890. Its totient is φ = 58080628.

The previous prime is 116161229. The next prime is 116161259. The reversal of 116161258 is 852161611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 101545929 + 14615329 = 10077^2 + 3823^2 .

It is not an unprimeable number, because it can be changed into a prime (116161259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29040313 + ... + 29040316.

Almost surely, 2^116161258 is an apocalyptic number.

116161258 is a deficient number, since it is larger than the sum of its proper divisors (58080632).

116161258 is an equidigital number, since it uses as much as digits as its factorization.

116161258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58080631.

The product of its digits is 2880, while the sum is 31.

The square root of 116161258 is about 10777.8132290368. The cubic root of 116161258 is about 487.9257843108.

The spelling of 116161258 in words is "one hundred sixteen million, one hundred sixty-one thousand, two hundred fifty-eight".