6738172806 has 16 divisors (see below), whose sum is σ = 14185627200. Its totient is φ = 2127844008.

The previous prime is 6738172733. The next prime is 6738172817. The reversal of 6738172806 is 6082718376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29553276 + ... + 29553503.

It is an arithmetic number, because the mean of its divisors is an integer number (886601700).

Almost surely, 2^6738172806 is an apocalyptic number.

6738172806 is an abundant number, since it is smaller than the sum of its proper divisors (7447454394).

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

6738172806 is a wasteful number, since it uses less digits than its factorization.

6738172806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59106803.

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 6738172806 is about 82086.3740580615. The cubic root of 6738172806 is about 1888.7771272557. Note that the first 3 decimals are identical.

The spelling of 6738172806 in words is "six billion, seven hundred thirty-eight million, one hundred seventy-two thousand, eight hundred six".