671572810338 has 8 divisors (see below), whose sum is σ = 1343145620688. Its totient is φ = 223857603444.

The previous prime is 671572810309. The next prime is 671572810361. The reversal of 671572810338 is 833018275176.

It is a sphenic number, since it is the product of 3 distinct primes.

671572810338 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55964400856 + ... + 55964400867.

It is an arithmetic number, because the mean of its divisors is an integer number (167893202586).

Almost surely, 2^671572810338 is an apocalyptic number.

671572810338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

671572810338 is a wasteful number, since it uses less digits than its factorization.

671572810338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111928801728.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 671572810338 in words is "six hundred seventy-one billion, five hundred seventy-two million, eight hundred ten thousand, three hundred thirty-eight".