671020263004464 has 120 divisors (see below), whose sum is σ = 1881170926886160. Its totient is φ = 223286800318464.

The previous prime is 671020263004463. The next prime is 671020263004513. The reversal of 671020263004464 is 464400362020176.

671020263004464 is a `hidden beast` number, since 6 + 7 + 1 + 0 + 2 + 0 + 2 + 630 + 0 + 4 + 4 + 6 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (671020263004463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4707884752 + ... + 4708027280.

It is an arithmetic number, because the mean of its divisors is an integer number (15676424390718).

Almost surely, 2^{671020263004464} is an apocalyptic number.

It is an amenable number.

671020263004464 is an abundant number, since it is smaller than the sum of its proper divisors (1210150663881696).

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

671020263004464 is a wasteful number, since it uses less digits than its factorization.

671020263004464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198827 (or 198818 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 671020263004464 in words is "six hundred seventy-one trillion, twenty billion, two hundred sixty-three million, four thousand, four hundred sixty-four".