116551661061 has 32 divisors (see below), whose sum is σ = 172782028800. Its totient is φ = 69292238400.

The previous prime is 116551661053. The next prime is 116551661087. The reversal of 116551661061 is 160166155611.

It is not a de Polignac number, because 116551661061 - 2³ = 116551661053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116551661011) 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, 341271 + ... + 591243.

It is an arithmetic number, because the mean of its divisors is an integer number (5399438400).

Almost surely, 2^116551661061 is an apocalyptic number.

116551661061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

116551661061 is a deficient number, since it is larger than the sum of its proper divisors (56230367739).

116551661061 is a wasteful number, since it uses less digits than its factorization.

116551661061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250257.

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 116551661061 in words is "one hundred sixteen billion, five hundred fifty-one million, six hundred sixty-one thousand, sixty-one".