816479165047 has 24 divisors (see below), whose sum is σ = 1031039714400. Its totient is φ = 646005447360.

The previous prime is 816479165003. The next prime is 816479165071. The reversal of 816479165047 is 740561974618.

It is not a de Polignac number, because 816479165047 - 2¹⁵ = 816479132279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 816479164982 and 816479165000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816479565047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6984654 + ... + 7100587.

It is an arithmetic number, because the mean of its divisors is an integer number (42959988100).

Almost surely, 2^816479165047 is an apocalyptic number.

816479165047 is a deficient number, since it is larger than the sum of its proper divisors (214560549353).

816479165047 is a wasteful number, since it uses less digits than its factorization.

816479165047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14085288 (or 14085261 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 816479165047 in words is "eight hundred sixteen billion, four hundred seventy-nine million, one hundred sixty-five thousand, forty-seven".