90168324 has 24 divisors (see below), whose sum is σ = 210860160. Its totient is φ = 29989344.

The previous prime is 90168311. The next prime is 90168329. The reversal of 90168324 is 42386109.

It is not an unprimeable number, because it can be changed into a prime (90168329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2559 + ... + 13670.

It is an arithmetic number, because the mean of its divisors is an integer number (8785840).

Almost surely, 2^90168324 is an apocalyptic number.

It is an amenable number.

90168324 is an abundant number, since it is smaller than the sum of its proper divisors (120691836).

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

90168324 is a wasteful number, since it uses less digits than its factorization.

90168324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16699 (or 16697 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 90168324 is about 9495.7002901313. The cubic root of 90168324 is about 448.4196813949.

The spelling of 90168324 in words is "ninety million, one hundred sixty-eight thousand, three hundred twenty-four".