671481544206 has 32 divisors (see below), whose sum is σ = 1468916265600. Its totient is φ = 202942363680.

The previous prime is 671481544177. The next prime is 671481544229. The reversal of 671481544206 is 602445184176.

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, 13397101 + ... + 13447128.

It is an arithmetic number, because the mean of its divisors is an integer number (45903633300).

Almost surely, 2^671481544206 is an apocalyptic number.

671481544206 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

671481544206 is an abundant number, since it is smaller than the sum of its proper divisors (797434721394).

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

671481544206 is a wasteful number, since it uses less digits than its factorization.

671481544206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26844624.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 671481544206 in words is "six hundred seventy-one billion, four hundred eighty-one million, five hundred forty-four thousand, two hundred six".