6378374466 has 24 divisors (see below), whose sum is σ = 14632742124. Its totient is φ = 2001058560.

The previous prime is 6378374447. The next prime is 6378374477. The reversal of 6378374466 is 6644738736.

It is a happy number.

6378374466 is a `hidden beast` number, since 6 + 37 + 83 + 74 + 466 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6053618025 + 324756441 = 77805^2 + 18021^2 .

It is a Curzon number.

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, 10421875 + ... + 10422486.

Almost surely, 2^6378374466 is an apocalyptic number.

6378374466 is an abundant number, since it is smaller than the sum of its proper divisors (8254367658).

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

6378374466 is a wasteful number, since it uses less digits than its factorization.

6378374466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20844386 (or 20844383 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 54.

The square root of 6378374466 is about 79864.7260434793. The cubic root of 6378374466 is about 1854.5419895434.

The spelling of 6378374466 in words is "six billion, three hundred seventy-eight million, three hundred seventy-four thousand, four hundred sixty-six".