90660360 has 128 divisors (see below), whose sum is σ = 319345920. Its totient is φ = 20155392.

The previous prime is 90660331. The next prime is 90660373. The reversal of 90660360 is 6306609.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 29622 + ... + 32538.

It is an arithmetic number, because the mean of its divisors is an integer number (2494890).

Almost surely, 2^90660360 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 90660360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159672960).

90660360 is an abundant number, since it is smaller than the sum of its proper divisors (228685560).

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

90660360 is a wasteful number, since it uses less digits than its factorization.

90660360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975 (or 2971 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 90660360 is about 9521.5733993915. The cubic root of 90660360 is about 449.2338568445.

Adding to 90660360 its reverse (6306609), we get a palindrome (96966969).

The spelling of 90660360 in words is "ninety million, six hundred sixty thousand, three hundred sixty".