90116519 has 4 divisors (see below), whose sum is σ = 92212296. Its totient is φ = 88020744.

The previous prime is 90116501. The next prime is 90116527. The reversal of 90116519 is 91561109.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90116519 - 2⁸ = 90116263 is a prime.

It is a super-2 number, since 2×90116519² = 16241973993354722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90116549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047824 + ... + 1047909.

It is an arithmetic number, because the mean of its divisors is an integer number (23053074).

Almost surely, 2^90116519 is an apocalyptic number.

90116519 is a deficient number, since it is larger than the sum of its proper divisors (2095777).

90116519 is a wasteful number, since it uses less digits than its factorization.

90116519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095776.

The product of its (nonzero) digits is 2430, while the sum is 32.

The square root of 90116519 is about 9492.9720846529. The cubic root of 90116519 is about 448.3337871071. Note that the first 3 decimals are identical.

The spelling of 90116519 in words is "ninety million, one hundred sixteen thousand, five hundred nineteen".