2381036166 has 24 divisors (see below), whose sum is σ = 5185106784. Its totient is φ = 789648720.

The previous prime is 2381036159. The next prime is 2381036171. The reversal of 2381036166 is 6616301832.

2381036166 is a `hidden beast` number, since 2 + 38 + 1 + 0 + 3 + 616 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2381036166.

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, 332190 + ... + 339281.

It is an arithmetic number, because the mean of its divisors is an integer number (216046116).

Almost surely, 2^2381036166 is an apocalyptic number.

2381036166 is an abundant number, since it is smaller than the sum of its proper divisors (2804070618).

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

2381036166 is a wasteful number, since it uses less digits than its factorization.

2381036166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671676 (or 671673 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 2381036166 is about 48795.8621811317. The cubic root of 2381036166 is about 1335.3301779796.

Adding to 2381036166 its reverse (6616301832), we get a palindrome (8997337998).

The spelling of 2381036166 in words is "two billion, three hundred eighty-one million, thirty-six thousand, one hundred sixty-six".