90554166 has 32 divisors (see below), whose sum is σ = 201610080. Its totient is φ = 30127968.

The previous prime is 90554147. The next prime is 90554183. The reversal of 90554166 is 66145509.

90554166 is a `hidden beast` number, since 90 + 554 + 16 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 90554166.

It is a congruent number.

It is an unprimeable number.

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, 35320 + ... + 37796.

It is an arithmetic number, because the mean of its divisors is an integer number (6300315).

Almost surely, 2^90554166 is an apocalyptic number.

90554166 is an abundant number, since it is smaller than the sum of its proper divisors (111055914).

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

90554166 is a wasteful number, since it uses less digits than its factorization.

90554166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165 (or 3159 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 90554166 is about 9515.9952711211. The cubic root of 90554166 is about 449.0583866282.

The spelling of 90554166 in words is "ninety million, five hundred fifty-four thousand, one hundred sixty-six".