90116369 has 16 divisors (see below), whose sum is σ = 111179520. Its totient is φ = 71332800.

The previous prime is 90116357. The next prime is 90116381. The reversal of 90116369 is 96361109.

It is an interprime number because it is at equal distance from previous prime (90116357) and next prime (90116381).

It is not a de Polignac number, because 90116369 - 2¹² = 90112273 is a prime.

It is a super-2 number, since 2×90116369² = 16241919923488322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90116399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4982 + ... + 14319.

It is an arithmetic number, because the mean of its divisors is an integer number (6948720).

Almost surely, 2^90116369 is an apocalyptic number.

It is an amenable number.

90116369 is a deficient number, since it is larger than the sum of its proper divisors (21063151).

90116369 is a wasteful number, since it uses less digits than its factorization.

90116369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19360.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 90116369 is about 9492.9641840681. The cubic root of 90116369 is about 448.3335383547. Note that the first 3 decimals are identical.

The spelling of 90116369 in words is "ninety million, one hundred sixteen thousand, three hundred sixty-nine".