1182863471616 has 792 divisors, whose sum is σ = 3840215101632. Its totient is φ = 362763878400.

The previous prime is 1182863471599. The next prime is 1182863471641. The reversal of 1182863471616 is 6161743682811.

1182863471616 is a `hidden beast` number, since 1 + 1 + 8 + 286 + 347 + 1 + 6 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16660048861 + ... + 16660048931.

Almost surely, 2^{1182863471616} is an apocalyptic number.

1182863471616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1182863471616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1920107550816).

1182863471616 is an abundant number, since it is smaller than the sum of its proper divisors (2657351630016).

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

1182863471616 is an frugal number, since it uses more digits than its factorization.

1182863471616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 140 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The spelling of 1182863471616 in words is "one trillion, one hundred eighty-two billion, eight hundred sixty-three million, four hundred seventy-one thousand, six hundred sixteen".