90881016 has 64 divisors (see below), whose sum is σ = 235509120. Its totient is φ = 29205120.

The previous prime is 90881003. The next prime is 90881017. The reversal of 90881016 is 61018809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90881017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85126 + ... + 86186.

It is an arithmetic number, because the mean of its divisors is an integer number (3679830).

Almost surely, 2^90881016 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 90881016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117754560).

90881016 is an abundant number, since it is smaller than the sum of its proper divisors (144628104).

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

90881016 is a wasteful number, since it uses less digits than its factorization.

90881016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1192 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 90881016 is about 9533.1535181177. The cubic root of 90881016 is about 449.5980212718.

The spelling of 90881016 in words is "ninety million, eight hundred eighty-one thousand, sixteen".