116678251 has 4 divisors (see below), whose sum is σ = 119524104. Its totient is φ = 113832400.

The previous prime is 116678239. The next prime is 116678267. The reversal of 116678251 is 152876611.

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

It is not a de Polignac number, because 116678251 - 2⁹ = 116677739 is a prime.

It is a super-2 number, since 2×116678251² = 27227628512838002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116678251.

It is not an unprimeable number, because it can be changed into a prime (116678201) 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 in 3 ways as a sum of consecutive naturals, for example, 1422865 + ... + 1422946.

It is an arithmetic number, because the mean of its divisors is an integer number (29881026).

Almost surely, 2^116678251 is an apocalyptic number.

116678251 is a deficient number, since it is larger than the sum of its proper divisors (2845853).

116678251 is an equidigital number, since it uses as much as digits as its factorization.

116678251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845852.

The product of its digits is 20160, while the sum is 37.

The square root of 116678251 is about 10801.7707344676. The cubic root of 116678251 is about 488.6485752260.

The spelling of 116678251 in words is "one hundred sixteen million, six hundred seventy-eight thousand, two hundred fifty-one".