1866683852 has 24 divisors (see below), whose sum is σ = 3564764112. Its totient is φ = 848232000.

The previous prime is 1866683849. The next prime is 1866683857. The reversal of 1866683852 is 2583866681.

It is a junction number, because it is equal to n+sod(n) for n = 1866683794 and 1866683803.

It is not an unprimeable number, because it can be changed into a prime (1866683857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273878 + ... + 280610.

It is an arithmetic number, because the mean of its divisors is an integer number (148531838).

Almost surely, 2^1866683852 is an apocalyptic number.

It is an amenable number.

1866683852 is a deficient number, since it is larger than the sum of its proper divisors (1698080260).

1866683852 is a wasteful number, since it uses less digits than its factorization.

1866683852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13049 (or 13047 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 53.

The square root of 1866683852 is about 43205.1368705158. The cubic root of 1866683852 is about 1231.2802788400.

The spelling of 1866683852 in words is "one billion, eight hundred sixty-six million, six hundred eighty-three thousand, eight hundred fifty-two".