671560110 has 96 divisors (see below), whose sum is σ = 1899319968. Its totient is φ = 163641600.

The previous prime is 671560093. The next prime is 671560139. The reversal of 671560110 is 11065176.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115329 + ... + 121011.

It is an arithmetic number, because the mean of its divisors is an integer number (19784583).

Almost surely, 2^671560110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671560110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949659984).

671560110 is an abundant number, since it is smaller than the sum of its proper divisors (1227759858).

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

671560110 is a wasteful number, since it uses less digits than its factorization.

671560110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810 (or 5807 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 671560110 is about 25914.4768421051. The cubic root of 671560110 is about 875.7126645659.

The spelling of 671560110 in words is "six hundred seventy-one million, five hundred sixty thousand, one hundred ten".