90816111 has 6 divisors (see below), whose sum is σ = 131178840. Its totient is φ = 60544068.

The previous prime is 90816073. The next prime is 90816119. The reversal of 90816111 is 11161809.

It is not a de Polignac number, because 90816111 - 2²³ = 82427503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90816119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5045331 + ... + 5045348.

It is an arithmetic number, because the mean of its divisors is an integer number (21863140).

Almost surely, 2^90816111 is an apocalyptic number.

90816111 is a deficient number, since it is larger than the sum of its proper divisors (40362729).

90816111 is a wasteful number, since it uses less digits than its factorization.

90816111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10090685 (or 10090682 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The square root of 90816111 is about 9529.7487375061. The cubic root of 90816111 is about 449.4909651434.

The spelling of 90816111 in words is "ninety million, eight hundred sixteen thousand, one hundred eleven".