881465616 has 120 divisors (see below), whose sum is σ = 2616933696. Its totient is φ = 276376320.

The previous prime is 881465609. The next prime is 881465659. The reversal of 881465616 is 616564188.

881465616 is a `hidden beast` number, since 8 + 81 + 4 + 6 + 561 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199851 + ... + 204213.

Almost surely, 2^881465616 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 881465616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1308466848).

881465616 is an abundant number, since it is smaller than the sum of its proper divisors (1735468080).

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

881465616 is a wasteful number, since it uses less digits than its factorization.

881465616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461 (or 4452 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 881465616 is about 29689.4866240560. The cubic root of 881465616 is about 958.8156749489.

The spelling of 881465616 in words is "eight hundred eighty-one million, four hundred sixty-five thousand, six hundred sixteen".