8216178238924 has 12 divisors (see below), whose sum is σ = 14434258658904. Its totient is φ = 4092104336384.

The previous prime is 8216178238921. The next prime is 8216178238937. The reversal of 8216178238924 is 4298328716128.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8216178238921) 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, 3996194614 + ... + 3996196669.

It is an arithmetic number, because the mean of its divisors is an integer number (1202854888242).

Almost surely, 2^{8216178238924} is an apocalyptic number.

It is an amenable number.

8216178238924 is a deficient number, since it is larger than the sum of its proper divisors (6218080419980).

8216178238924 is a wasteful number, since it uses less digits than its factorization.

8216178238924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7992391544 (or 7992391542 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 61.

The spelling of 8216178238924 in words is "eight trillion, two hundred sixteen billion, one hundred seventy-eight million, two hundred thirty-eight thousand, nine hundred twenty-four".