671267410320 has 320 divisors, whose sum is σ = 2336570449920. Its totient is φ = 158278385664.

The previous prime is 671267410309. The next prime is 671267410327. The reversal of 671267410320 is 23014762176.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (671267410327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11461752 + ... + 11520168.

It is an arithmetic number, because the mean of its divisors is an integer number (7301782656).

Almost surely, 2^671267410320 is an apocalyptic number.

671267410320 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 671267410320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1168285224960).

671267410320 is an abundant number, since it is smaller than the sum of its proper divisors (1665303039600).

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

671267410320 is a wasteful number, since it uses less digits than its factorization.

671267410320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58602 (or 58596 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 671267410320 in words is "six hundred seventy-one billion, two hundred sixty-seven million, four hundred ten thousand, three hundred twenty".