90216107 has 8 divisors (see below), whose sum is σ = 95293440. Its totient is φ = 85274280.

The previous prime is 90216083. The next prime is 90216121. The reversal of 90216107 is 70161209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90216107 - 2⁶ = 90216043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90216157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32507 + ... + 35172.

It is an arithmetic number, because the mean of its divisors is an integer number (11911680).

Almost surely, 2^90216107 is an apocalyptic number.

90216107 is a deficient number, since it is larger than the sum of its proper divisors (5077333).

90216107 is a wasteful number, since it uses less digits than its factorization.

90216107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67753.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 90216107 is about 9498.2159903847. The cubic root of 90216107 is about 448.4988779201.

The spelling of 90216107 in words is "ninety million, two hundred sixteen thousand, one hundred seven".