1671895552 has 40 divisors (see below), whose sum is σ = 3359167812. Its totient is φ = 831283200.

The previous prime is 1671895541. The next prime is 1671895573. The reversal of 1671895552 is 2555981761.

It can be written as a sum of positive squares in 2 ways, for example, as 1087416576 + 584478976 = 32976^2 + 24176^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1671895496 and 1671895505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83652 + ... + 101692.

Almost surely, 2^1671895552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1671895552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679583906).

1671895552 is an abundant number, since it is smaller than the sum of its proper divisors (1687272260).

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

1671895552 is an equidigital number, since it uses as much as digits as its factorization.

1671895552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18240 (or 18224 counting only the distinct ones).

The product of its digits is 756000, while the sum is 49.

The square root of 1671895552 is about 40888.8194009071. The cubic root of 1671895552 is about 1186.8697129024.

The spelling of 1671895552 in words is "one billion, six hundred seventy-one million, eight hundred ninety-five thousand, five hundred fifty-two".