4185856066 has 64 divisors (see below), whose sum is σ = 8043264000. Its totient is φ = 1625511888.

The previous prime is 4185856057. The next prime is 4185856079. The reversal of 4185856066 is 6606585814.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 292801 + ... + 306763.

It is an arithmetic number, because the mean of its divisors is an integer number (125676000).

Almost surely, 2^4185856066 is an apocalyptic number.

4185856066 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4185856066 is a deficient number, since it is larger than the sum of its proper divisors (3857407934).

4185856066 is a wasteful number, since it uses less digits than its factorization.

4185856066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14028 (or 14014 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The square root of 4185856066 is about 64698.1921385752. The cubic root of 4185856066 is about 1611.6154799286.

The spelling of 4185856066 in words is "four billion, one hundred eighty-five million, eight hundred fifty-six thousand, sixty-six".