671166442466562 has 64 divisors (see below), whose sum is σ = 1544282559535104. Its totient is φ = 190488407961600.

The previous prime is 671166442466503. The next prime is 671166442466563. The reversal of 671166442466562 is 265664244661176.

It is a junction number, because it is equal to n+sod(n) for n = 671166442466493 and 671166442466502.

It is not an unprimeable number, because it can be changed into a prime (671166442466563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355904898 + ... + 357785730.

It is an arithmetic number, because the mean of its divisors is an integer number (24129414992736).

Almost surely, 2^{671166442466562} is an apocalyptic number.

671166442466562 is an abundant number, since it is smaller than the sum of its proper divisors (873116117068542).

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

671166442466562 is a wasteful number, since it uses less digits than its factorization.

671166442466562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937263.

The product of its digits is 418037760, while the sum is 66.

The spelling of 671166442466562 in words is "six hundred seventy-one trillion, one hundred sixty-six billion, four hundred forty-two million, four hundred sixty-six thousand, five hundred sixty-two".