671377768110 has 96 divisors (see below), whose sum is σ = 1996668610560. Its totient is φ = 153325658304.

The previous prime is 671377768099. The next prime is 671377768111. The reversal of 671377768110 is 11867773176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671377768111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 274531 + ... + 1190849.

It is an arithmetic number, because the mean of its divisors is an integer number (20798631360).

Almost surely, 2^671377768110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671377768110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (998334305280).

671377768110 is an abundant number, since it is smaller than the sum of its proper divisors (1325290842450).

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

671377768110 is a wasteful number, since it uses less digits than its factorization.

671377768110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917502 (or 917499 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 54.

The spelling of 671377768110 in words is "six hundred seventy-one billion, three hundred seventy-seven million, seven hundred sixty-eight thousand, one hundred ten".