671345588532 has 48 divisors (see below), whose sum is σ = 1569982668800. Its totient is φ = 223280662752.

The previous prime is 671345588461. The next prime is 671345588567. The reversal of 671345588532 is 235885543176.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 60766233 + ... + 60777279.

Almost surely, 2^671345588532 is an apocalyptic number.

It is an amenable number.

671345588532 is an abundant number, since it is smaller than the sum of its proper divisors (898637080268).

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

671345588532 is a wasteful number, since it uses less digits than its factorization.

671345588532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21940 (or 21938 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 57.

The spelling of 671345588532 in words is "six hundred seventy-one billion, three hundred forty-five million, five hundred eighty-eight thousand, five hundred thirty-two".