116561678 has 4 divisors (see below), whose sum is σ = 174842520. Its totient is φ = 58280838.

The previous prime is 116561671. The next prime is 116561693. The reversal of 116561678 is 876165611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116561671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29140418 + ... + 29140421.

It is an arithmetic number, because the mean of its divisors is an integer number (43710630).

Almost surely, 2^116561678 is an apocalyptic number.

116561678 is a deficient number, since it is larger than the sum of its proper divisors (58280842).

116561678 is an equidigital number, since it uses as much as digits as its factorization.

116561678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58280841.

The product of its digits is 60480, while the sum is 41.

The square root of 116561678 is about 10796.3733725728. The cubic root of 116561678 is about 488.4857850715.

The spelling of 116561678 in words is "one hundred sixteen million, five hundred sixty-one thousand, six hundred seventy-eight".