1671444522 has 96 divisors (see below), whose sum is σ = 4327577280. Its totient is φ = 460239360.

The previous prime is 1671444491. The next prime is 1671444547. The reversal of 1671444522 is 2254441761.

1671444522 is a `hidden beast` number, since 1 + 67 + 144 + 452 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89053 + ... + 106175.

It is an arithmetic number, because the mean of its divisors is an integer number (45078930).

Almost surely, 2^1671444522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1671444522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2163788640).

1671444522 is an abundant number, since it is smaller than the sum of its proper divisors (2656132758).

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

1671444522 is a wasteful number, since it uses less digits than its factorization.

1671444522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17188 (or 17185 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 1671444522 is about 40883.3037070147. The cubic root of 1671444522 is about 1186.7629753751.

The spelling of 1671444522 in words is "one billion, six hundred seventy-one million, four hundred forty-four thousand, five hundred twenty-two".