671807011200 has 192 divisors, whose sum is σ = 2382977427600. Its totient is φ = 165367848960.

The previous prime is 671807011189. The next prime is 671807011217. The reversal of 671807011200 is 2110708176.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2566735 + ... + 2816334.

Almost surely, 2^671807011200 is an apocalyptic number.

671807011200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

671807011200 is an abundant number, since it is smaller than the sum of its proper divisors (1711170416400).

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

671807011200 is a wasteful number, since it uses less digits than its factorization.

671807011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5383109 (or 5383092 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 33.

Adding to 671807011200 its reverse (2110708176), we get a palindrome (673917719376).

The spelling of 671807011200 in words is "six hundred seventy-one billion, eight hundred seven million, eleven thousand, two hundred".