90840160 has 24 divisors (see below), whose sum is σ = 214610256. Its totient is φ = 36336000.

The previous prime is 90840149. The next prime is 90840181. The reversal of 90840160 is 6104809.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283716 + ... + 284035.

It is an arithmetic number, because the mean of its divisors is an integer number (8942094).

Almost surely, 2^90840160 is an apocalyptic number.

It is an amenable number.

90840160 is an abundant number, since it is smaller than the sum of its proper divisors (123770096).

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

90840160 is a wasteful number, since it uses less digits than its factorization.

90840160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567766 (or 567758 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 90840160 is about 9531.0104396124. The cubic root of 90840160 is about 449.5306381855.

Adding to 90840160 its reverse (6104809), we get a palindrome (96944969).

The spelling of 90840160 in words is "ninety million, eight hundred forty thousand, one hundred sixty".