5144185866 has 8 divisors (see below), whose sum is σ = 10288371744. Its totient is φ = 1714728620.

The previous prime is 5144185853. The next prime is 5144185877. The reversal of 5144185866 is 6685814415.

It is a sphenic number, since it is the product of 3 distinct primes.

5144185866 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428682150 + ... + 428682161.

It is an arithmetic number, because the mean of its divisors is an integer number (1286046468).

Almost surely, 2^5144185866 is an apocalyptic number.

5144185866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5144185866 is a wasteful number, since it uses less digits than its factorization.

5144185866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857364316.

The product of its digits is 921600, while the sum is 48.

The square root of 5144185866 is about 71722.9800412671. The cubic root of 5144185866 is about 1726.2573893096.

The spelling of 5144185866 in words is "five billion, one hundred forty-four million, one hundred eighty-five thousand, eight hundred sixty-six".