671081374037 has 8 divisors (see below), whose sum is σ = 683273565696. Its totient is φ = 658953184032.

The previous prime is 671081374027. The next prime is 671081374039. The reversal of 671081374037 is 730473180176.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-671081374037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 671081373982 and 671081374000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671081374039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15979253 + ... + 16021194.

It is an arithmetic number, because the mean of its divisors is an integer number (85409195712).

Almost surely, 2^671081374037 is an apocalyptic number.

671081374037 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

671081374037 is a deficient number, since it is larger than the sum of its proper divisors (12192191659).

671081374037 is a wasteful number, since it uses less digits than its factorization.

671081374037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32000827.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 671081374037 in words is "six hundred seventy-one billion, eighty-one million, three hundred seventy-four thousand, thirty-seven".