90216716 has 12 divisors (see below), whose sum is σ = 158762520. Its totient is φ = 44856000.

The previous prime is 90216701. The next prime is 90216761. The reversal of 90216716 is 61761209.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62285 + ... + 63716.

It is an arithmetic number, because the mean of its divisors is an integer number (13230210).

Almost surely, 2^90216716 is an apocalyptic number.

It is an amenable number.

90216716 is a deficient number, since it is larger than the sum of its proper divisors (68545804).

90216716 is a wasteful number, since it uses less digits than its factorization.

90216716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126184 (or 126182 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 90216716 is about 9498.2480489825. The cubic root of 90216716 is about 448.4998871087.

The spelling of 90216716 in words is "ninety million, two hundred sixteen thousand, seven hundred sixteen".