712161513660 has 24 divisors (see below), whose sum is σ = 1994052238416. Its totient is φ = 189909736960.

The previous prime is 712161513491. The next prime is 712161513709. The reversal of 712161513660 is 66315161217.

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, 5934679221 + ... + 5934679340.

It is an arithmetic number, because the mean of its divisors is an integer number (83085509934).

Almost surely, 2^712161513660 is an apocalyptic number.

It is an amenable number.

712161513660 is an abundant number, since it is smaller than the sum of its proper divisors (1281890724756).

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

712161513660 is a wasteful number, since it uses less digits than its factorization.

712161513660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11869358573 (or 11869358571 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

Adding to 712161513660 its reverse (66315161217), we get a palindrome (778476674877).

The spelling of 712161513660 in words is "seven hundred twelve billion, one hundred sixty-one million, five hundred thirteen thousand, six hundred sixty".