1881087416 has 32 divisors (see below), whose sum is σ = 3811830960. Its totient is φ = 865112832.

The previous prime is 1881087401. The next prime is 1881087443. The reversal of 1881087416 is 6147801881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2525 + ... + 61388.

Almost surely, 2^1881087416 is an apocalyptic number.

It is an amenable number.

1881087416 is an abundant number, since it is smaller than the sum of its proper divisors (1930743544).

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

1881087416 is a wasteful number, since it uses less digits than its factorization.

1881087416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64215 (or 64211 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 44.

The square root of 1881087416 is about 43371.5046545540. The cubic root of 1881087416 is about 1234.4390719258.

The spelling of 1881087416 in words is "one billion, eight hundred eighty-one million, eighty-seven thousand, four hundred sixteen".