8151216 has 20 divisors (see below), whose sum is σ = 21057432. Its totient is φ = 2717056.

The previous prime is 8151203. The next prime is 8151217. The reversal of 8151216 is 6121518.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (8151217) 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, 84861 + ... + 84956.

Almost surely, 2^8151216 is an apocalyptic number.

It is an amenable number.

8151216 is an abundant number, since it is smaller than the sum of its proper divisors (12906216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8151216 is a wasteful number, since it uses less digits than its factorization.

8151216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169828 (or 169822 counting only the distinct ones).

The product of its digits is 480, while the sum is 24.

The square root of 8151216 is about 2855.0334498916. The cubic root of 8151216 is about 201.2522759924.

The spelling of 8151216 in words is "eight million, one hundred fifty-one thousand, two hundred sixteen".