816966582148 has 12 divisors (see below), whose sum is σ = 1431454399312. Its totient is φ = 407979610920.

The previous prime is 816966582143. The next prime is 816966582149. The reversal of 816966582148 is 841285669618.

816966582148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 816966582148.

It is not an unprimeable number, because it can be changed into a prime (816966582143) 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, 125916390 + ... + 125922877.

Almost surely, 2^816966582148 is an apocalyptic number.

It is an amenable number.

816966582148 is a deficient number, since it is larger than the sum of its proper divisors (614487817164).

816966582148 is a wasteful number, since it uses less digits than its factorization.

816966582148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251840082 (or 251840080 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 64.

The spelling of 816966582148 in words is "eight hundred sixteen billion, nine hundred sixty-six million, five hundred eighty-two thousand, one hundred forty-eight".