6381803016 has 48 divisors (see below), whose sum is σ = 17287773360. Its totient is φ = 2126809440.

The previous prime is 6381802991. The next prime is 6381803063. The reversal of 6381803016 is 6103081836.

6381803016 is a `hidden beast` number, since 638 + 1 + 8 + 0 + 3 + 0 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 567771 + ... + 578901.

It is an arithmetic number, because the mean of its divisors is an integer number (360161945).

Almost surely, 2^6381803016 is an apocalyptic number.

It is an amenable number.

6381803016 is an abundant number, since it is smaller than the sum of its proper divisors (10905970344).

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

6381803016 is a wasteful number, since it uses less digits than its factorization.

6381803016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19106 (or 19099 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 6381803016 is about 79886.1878925262. The cubic root of 6381803016 is about 1854.8742189666.

The spelling of 6381803016 in words is "six billion, three hundred eighty-one million, eight hundred three thousand, sixteen".