90654160 has 20 divisors (see below), whose sum is σ = 210771108. Its totient is φ = 36261632.

The previous prime is 90654143. The next prime is 90654169. The reversal of 90654160 is 6145609.

It can be written as a sum of positive squares in 2 ways, for example, as 16418704 + 74235456 = 4052^2 + 8616^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90654169) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 566509 + ... + 566668.

Almost surely, 2^90654160 is an apocalyptic number.

It is an amenable number.

90654160 is an abundant number, since it is smaller than the sum of its proper divisors (120116948).

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

90654160 is a wasteful number, since it uses less digits than its factorization.

90654160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133190 (or 1133184 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 90654160 is about 9521.2478173819. The cubic root of 90654160 is about 449.2236160093.

Adding to 90654160 its reverse (6145609), we get a palindrome (96799769).

It can be divided in two parts, 9065 and 4160, that added together give a square (13225 = 115²).

The spelling of 90654160 in words is "ninety million, six hundred fifty-four thousand, one hundred sixty".