671107032438 has 16 divisors (see below), whose sum is σ = 1343113087536. Its totient is φ = 223552507040.

The previous prime is 671107032413. The next prime is 671107032473. The reversal of 671107032438 is 834230701176.

It is a self number, because there is not a number n which added to its sum of digits gives 671107032438.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37449573 + ... + 37467488.

It is an arithmetic number, because the mean of its divisors is an integer number (83944567971).

Almost surely, 2^671107032438 is an apocalyptic number.

671107032438 is an abundant number, since it is smaller than the sum of its proper divisors (672006055098).

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

671107032438 is a wasteful number, since it uses less digits than its factorization.

671107032438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74918559.

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 671107032438 in words is "six hundred seventy-one billion, one hundred seven million, thirty-two thousand, four hundred thirty-eight".