116049561 has 32 divisors (see below), whose sum is σ = 166594560. Its totient is φ = 71717184.

The previous prime is 116049553. The next prime is 116049569. The reversal of 116049561 is 165940611.

It is an interprime number because it is at equal distance from previous prime (116049553) and next prime (116049569).

It is not a de Polignac number, because 116049561 - 2³ = 116049553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116049569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250416 + ... + 250878.

It is an arithmetic number, because the mean of its divisors is an integer number (5206080).

Almost surely, 2^116049561 is an apocalyptic number.

It is an amenable number.

116049561 is a deficient number, since it is larger than the sum of its proper divisors (50544999).

116049561 is a wasteful number, since it uses less digits than its factorization.

116049561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 116049561 is about 10772.6301802299. The cubic root of 116049561 is about 487.7693428114.

It can be divided in two parts, 1160 and 49561, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 116049561 in words is "one hundred sixteen million, forty-nine thousand, five hundred sixty-one".