671041089360 has 320 divisors, whose sum is σ = 2336049768960. Its totient is φ = 177038991360.

The previous prime is 671041089319. The next prime is 671041089371. The reversal of 671041089360 is 63980140176.

It is a happy number.

671041089360 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×671041089360² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154012302 + ... + 154016658.

It is an arithmetic number, because the mean of its divisors is an integer number (7300155528).

Almost surely, 2^671041089360 is an apocalyptic number.

671041089360 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 671041089360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1168024884480).

671041089360 is an abundant number, since it is smaller than the sum of its proper divisors (1665008679600).

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

671041089360 is a wasteful number, since it uses less digits than its factorization.

671041089360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5123 (or 5111 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 671041089360 in words is "six hundred seventy-one billion, forty-one million, eighty-nine thousand, three hundred sixty".