6366398850 has 384 divisors, whose sum is σ = 22164295680. Its totient is φ = 1309271040.

The previous prime is 6366398813. The next prime is 6366398879. The reversal of 6366398850 is 588936636.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3694089 + ... + 3695811.

It is an arithmetic number, because the mean of its divisors is an integer number (57719520).

Almost surely, 2^6366398850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6366398850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11082147840).

6366398850 is an abundant number, since it is smaller than the sum of its proper divisors (15797896830).

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

6366398850 is a wasteful number, since it uses less digits than its factorization.

6366398850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The square root of 6366398850 is about 79789.7164426595. The cubic root of 6366398850 is about 1853.3806070773.

The spelling of 6366398850 in words is "six billion, three hundred sixty-six million, three hundred ninety-eight thousand, eight hundred fifty".