671321018046 has 16 divisors (see below), whose sum is σ = 1534448041344. Its totient is φ = 191806005144.

The previous prime is 671321018003. The next prime is 671321018083. The reversal of 671321018046 is 640810123176.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 671321017995 and 671321018013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7991916840 + ... + 7991916923.

It is an arithmetic number, because the mean of its divisors is an integer number (95903002584).

Almost surely, 2^671321018046 is an apocalyptic number.

671321018046 is an abundant number, since it is smaller than the sum of its proper divisors (863127023298).

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

671321018046 is a wasteful number, since it uses less digits than its factorization.

671321018046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15983833775.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 671321018046 in words is "six hundred seventy-one billion, three hundred twenty-one million, eighteen thousand, forty-six".