1638016382376 has 48 divisors (see below), whose sum is σ = 4839593859360. Its totient is φ = 496368600480.

The previous prime is 1638016382351. The next prime is 1638016382389. The reversal of 1638016382376 is 6732836108361.

1638016382376 is a `hidden beast` number, since 1 + 6 + 38 + 0 + 163 + 82 + 376 = 666.

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, 1034100460 + ... + 1034102043.

It is an arithmetic number, because the mean of its divisors is an integer number (100824872070).

Almost surely, 2^{1638016382376} is an apocalyptic number.

It is an amenable number.

1638016382376 is an abundant number, since it is smaller than the sum of its proper divisors (3201577476984).

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

1638016382376 is a wasteful number, since it uses less digits than its factorization.

1638016382376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068202526 (or 2068202519 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 1638016382376 in words is "one trillion, six hundred thirty-eight billion, sixteen million, three hundred eighty-two thousand, three hundred seventy-six".