671551658322 has 16 divisors (see below), whose sum is σ = 1349126204160. Its totient is φ = 222846738192.

The previous prime is 671551658321. The next prime is 671551658369. The reversal of 671551658322 is 223856155176.

It is not an unprimeable number, because it can be changed into a prime (671551658321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250952197 + ... + 250954872.

It is an arithmetic number, because the mean of its divisors is an integer number (84320387760).

Almost surely, 2^671551658322 is an apocalyptic number.

671551658322 is an abundant number, since it is smaller than the sum of its proper divisors (677574545838).

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

671551658322 is a wasteful number, since it uses less digits than its factorization.

671551658322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501907297.

The product of its digits is 3024000, while the sum is 51.

The spelling of 671551658322 in words is "six hundred seventy-one billion, five hundred fifty-one million, six hundred fifty-eight thousand, three hundred twenty-two".