90253666803 has 18 divisors (see below), whose sum is σ = 124651747012. Its totient is φ = 58084601120.

The previous prime is 90253666777. The next prime is 90253666807. The reversal of 90253666803 is 30866635209.

It is not a de Polignac number, because 90253666803 - 2⁶ = 90253666739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90253666807) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15087073 + ... + 15093053.

Almost surely, 2^90253666803 is an apocalyptic number.

90253666803 is a deficient number, since it is larger than the sum of its proper divisors (34398080209).

90253666803 is an frugal number, since it uses more digits than its factorization.

90253666803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12023 (or 6013 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 48.

Multiplying 90253666803 by its sum of digits (48), we get a square (4332176006544 = 2081388²).

The spelling of 90253666803 in words is "ninety billion, two hundred fifty-three million, six hundred sixty-six thousand, eight hundred three".