116661244554 has 24 divisors (see below), whose sum is σ = 252774440100. Its totient is φ = 38885787648.

The previous prime is 116661244549. The next prime is 116661244619. The reversal of 116661244554 is 455442166611.

It can be written as a sum of positive squares in 2 ways, for example, as 116379911025 + 281333529 = 341145^2 + 16773^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 559972 + ... + 739520.

Almost surely, 2^116661244554 is an apocalyptic number.

116661244554 is an abundant number, since it is smaller than the sum of its proper divisors (136113195546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116661244554 is a wasteful number, since it uses less digits than its factorization.

116661244554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215654 (or 215651 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The spelling of 116661244554 in words is "one hundred sixteen billion, six hundred sixty-one million, two hundred forty-four thousand, five hundred fifty-four".