1166700859380 has 1152 divisors, whose sum is σ = 4447921766400. Its totient is φ = 252951164928.

The previous prime is 1166700859339. The next prime is 1166700859403. The reversal of 1166700859380 is 839580076611.

1166700859380 is a `hidden beast` number, since 116 + 6 + 70 + 0 + 85 + 9 + 380 = 666.

It is a super-2 number, since 2×1166700859380² (a number of 25 digits) contains 22 as substring.

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 383 ways as a sum of consecutive naturals, for example, 9186620877 + ... + 9186621003.

It is an arithmetic number, because the mean of its divisors is an integer number (3861043200).

Almost surely, 2^{1166700859380} is an apocalyptic number.

1166700859380 is a gapful number since it is divisible by the number (10) 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 1166700859380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2223960883200).

1166700859380 is an abundant number, since it is smaller than the sum of its proper divisors (3281220907020).

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

1166700859380 is a wasteful number, since it uses less digits than its factorization.

1166700859380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 1166700859380 in words is "one trillion, one hundred sixty-six billion, seven hundred million, eight hundred fifty-nine thousand, three hundred eighty".