8216142651 has 24 divisors (see below), whose sum is σ = 12033247200. Its totient is φ = 5401541376.

The previous prime is 8216142631. The next prime is 8216142667. The reversal of 8216142651 is 1562416128.

It is a happy number.

8216142651 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8216142651 - 2⁶ = 8216142587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8216142611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182085 + ... + 222681.

It is an arithmetic number, because the mean of its divisors is an integer number (501385300).

Almost surely, 2^8216142651 is an apocalyptic number.

8216142651 is a deficient number, since it is larger than the sum of its proper divisors (3817104549).

8216142651 is a wasteful number, since it uses less digits than its factorization.

8216142651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40915 (or 40912 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 8216142651 is about 90642.9404366385. The cubic root of 8216142651 is about 2017.8520653492.

Adding to 8216142651 its reverse (1562416128), we get a palindrome (9778558779).

The spelling of 8216142651 in words is "eight billion, two hundred sixteen million, one hundred forty-two thousand, six hundred fifty-one".