90733643436566 has 16 divisors (see below), whose sum is σ = 154283928111600. Its totient is φ = 39673010085408.

The previous prime is 90733643436551. The next prime is 90733643436617. The reversal of 90733643436566 is 66563434633709.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91835671001 + ... + 91835671988.

It is an arithmetic number, because the mean of its divisors is an integer number (9642745506975).

Almost surely, 2^{90733643436566} is an apocalyptic number.

90733643436566 is a deficient number, since it is larger than the sum of its proper divisors (63550284675034).

90733643436566 is a wasteful number, since it uses less digits than its factorization.

90733643436566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183671343023.

The product of its (nonzero) digits is 529079040, while the sum is 65.

The spelling of 90733643436566 in words is "ninety trillion, seven hundred thirty-three billion, six hundred forty-three million, four hundred thirty-six thousand, five hundred sixty-six".