671420160 has 216 divisors, whose sum is σ = 2343650400. Its totient is φ = 177463296.

The previous prime is 671420153. The next prime is 671420203. The reversal of 671420160 is 61024176.

It is a zygodrome in base 4.

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, 1923666 + ... + 1924014.

Almost surely, 2^671420160 is an apocalyptic number.

671420160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671420160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1171825200).

671420160 is an abundant number, since it is smaller than the sum of its proper divisors (1672230240).

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

671420160 is a wasteful number, since it uses less digits than its factorization.

671420160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 671420160 is about 25911.7764732563. The cubic root of 671420160 is about 875.6518288591.

The spelling of 671420160 in words is "six hundred seventy-one million, four hundred twenty thousand, one hundred sixty".