671532505086 has 16 divisors (see below), whose sum is σ = 1374299080704. Its totient is φ = 218638489944.

The previous prime is 671532505073. The next prime is 671532505141. The reversal of 671532505086 is 680505235176.

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, 1301419326 + ... + 1301419841.

It is an arithmetic number, because the mean of its divisors is an integer number (85893692544).

Almost surely, 2^671532505086 is an apocalyptic number.

671532505086 is an abundant number, since it is smaller than the sum of its proper divisors (702766575618).

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

671532505086 is a wasteful number, since it uses less digits than its factorization.

671532505086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602839215.

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 671532505086 in words is "six hundred seventy-one billion, five hundred thirty-two million, five hundred five thousand, eighty-six".