90446566 has 16 divisors (see below), whose sum is σ = 156559104. Its totient is φ = 38385864.

The previous prime is 90446549. The next prime is 90446569. The reversal of 90446566 is 66564409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90446569) 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 7 ways as a sum of consecutive naturals, for example, 29920 + ... + 32803.

It is an arithmetic number, because the mean of its divisors is an integer number (9784944).

Almost surely, 2^90446566 is an apocalyptic number.

90446566 is a deficient number, since it is larger than the sum of its proper divisors (66112538).

90446566 is a wasteful number, since it uses less digits than its factorization.

90446566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62835.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 90446566 is about 9510.3399518629. The cubic root of 90446566 is about 448.8804532239.

The spelling of 90446566 in words is "ninety million, four hundred forty-six thousand, five hundred sixty-six".