116661225543 has 16 divisors (see below), whose sum is σ = 157863990240. Its totient is φ = 76622616576.

The previous prime is 116661225521. The next prime is 116661225581. The reversal of 116661225543 is 345522166611.

It is not a de Polignac number, because 116661225543 - 2⁵ = 116661225511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 116661225495 and 116661225504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116661229543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714730 + ... + 862647.

It is an arithmetic number, because the mean of its divisors is an integer number (9866499390).

Almost surely, 2^116661225543 is an apocalyptic number.

116661225543 is a deficient number, since it is larger than the sum of its proper divisors (41202764697).

116661225543 is a wasteful number, since it uses less digits than its factorization.

116661225543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577746.

The product of its digits is 259200, while the sum is 42.

The spelling of 116661225543 in words is "one hundred sixteen billion, six hundred sixty-one million, two hundred twenty-five thousand, five hundred forty-three".