116412861780 has 36 divisors (see below), whose sum is σ = 353119014612. Its totient is φ = 31043429760.

The previous prime is 116412861767. The next prime is 116412861811. The reversal of 116412861780 is 87168214611.

116412861780 is a `hidden beast` number, since 1 + 1 + 6 + 4 + 1 + 28 + 617 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 57617281296 + 58795580484 = 240036^2 + 242478^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323368881 + ... + 323369240.

It is an arithmetic number, because the mean of its divisors is an integer number (9808861517).

Almost surely, 2^116412861780 is an apocalyptic number.

116412861780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116412861780 is an abundant number, since it is smaller than the sum of its proper divisors (236706152832).

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

116412861780 is a wasteful number, since it uses less digits than its factorization.

116412861780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646738136 (or 646738131 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 116412861780 in words is "one hundred sixteen billion, four hundred twelve million, eight hundred sixty-one thousand, seven hundred eighty".