671832245660 has 24 divisors (see below), whose sum is σ = 1412756877840. Its totient is φ = 268369248384.

The previous prime is 671832245641. The next prime is 671832245681. The reversal of 671832245660 is 66542238176.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 671832245599 and 671832245608.

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, 22712969 + ... + 22742528.

It is an arithmetic number, because the mean of its divisors is an integer number (58864869910).

Almost surely, 2^671832245660 is an apocalyptic number.

It is an amenable number.

671832245660 is an abundant number, since it is smaller than the sum of its proper divisors (740924632180).

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

671832245660 is a wasteful number, since it uses less digits than its factorization.

671832245660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45456245 (or 45456243 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 671832245660 in words is "six hundred seventy-one billion, eight hundred thirty-two million, two hundred forty-five thousand, six hundred sixty".