881620416 has 224 divisors, whose sum is σ = 2729179200. Its totient is φ = 278691840.

The previous prime is 881620409. The next prime is 881620457. The reversal of 881620416 is 614026188.

881620416 is a `hidden beast` number, since 88 + 162 + 0 + 416 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3658056 + ... + 3658296.

Almost surely, 2^881620416 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 881620416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364589600).

881620416 is an abundant number, since it is smaller than the sum of its proper divisors (1847558784).

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

881620416 is a wasteful number, since it uses less digits than its factorization.

881620416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 881620416 is about 29692.0934930496. The cubic root of 881620416 is about 958.8717996485.

The spelling of 881620416 in words is "eight hundred eighty-one million, six hundred twenty thousand, four hundred sixteen".