1671019896 has 128 divisors (see below), whose sum is σ = 5444167680. Its totient is φ = 414775296.

The previous prime is 1671019871. The next prime is 1671019901. The reversal of 1671019896 is 6989101761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14625 + ... + 59631.

It is an arithmetic number, because the mean of its divisors is an integer number (42532560).

Almost surely, 2^1671019896 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 1671019896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2722083840).

1671019896 is an abundant number, since it is smaller than the sum of its proper divisors (3773147784).

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

1671019896 is a wasteful number, since it uses less digits than its factorization.

1671019896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45053 (or 45049 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 48.

The square root of 1671019896 is about 40878.1102302932. The cubic root of 1671019896 is about 1186.6624688794.

The spelling of 1671019896 in words is "one billion, six hundred seventy-one million, nineteen thousand, eight hundred ninety-six".