816476563228 has 24 divisors (see below), whose sum is σ = 1431813045600. Its totient is φ = 407387316288.

The previous prime is 816476563223. The next prime is 816476563267. The reversal of 816476563228 is 822365674618.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816476563223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21784801 + ... + 21822247.

It is an arithmetic number, because the mean of its divisors is an integer number (59658876900).

Almost surely, 2^816476563228 is an apocalyptic number.

It is an amenable number.

816476563228 is a deficient number, since it is larger than the sum of its proper divisors (615336482372).

816476563228 is a wasteful number, since it uses less digits than its factorization.

816476563228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48669 (or 48667 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 58.

The spelling of 816476563228 in words is "eight hundred sixteen billion, four hundred seventy-six million, five hundred sixty-three thousand, two hundred twenty-eight".