671442244176 has 80 divisors (see below), whose sum is σ = 1907884905408. Its totient is φ = 203467327360.

The previous prime is 671442244169. The next prime is 671442244237.

671442244176 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5190951 + ... + 5318726.

Almost surely, 2^671442244176 is an apocalyptic number.

671442244176 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

671442244176 is an abundant number, since it is smaller than the sum of its proper divisors (1236442661232).

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

671442244176 is a wasteful number, since it uses less digits than its factorization.

671442244176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10509721 (or 10509693 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 48.

The spelling of 671442244176 in words is "six hundred seventy-one billion, four hundred forty-two million, two hundred forty-four thousand, one hundred seventy-six".