616263704836 has 12 divisors (see below), whose sum is σ = 1161420059212. Its totient is φ = 284429402208.

The previous prime is 616263704809. The next prime is 616263704879. The reversal of 616263704836 is 638407362616.

It can be written as a sum of positive squares in 2 ways, for example, as 31650544836 + 584613160000 = 177906^2 + 764600^2 .

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 11851225093 = 616263704836 / (6 + 1 + 6 + 2 + 6 + 3 + 7 + 0 + 4 + 8 + 3 + 6).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5925612495 + ... + 5925612598.

Almost surely, 2^616263704836 is an apocalyptic number.

It is an amenable number.

616263704836 is a deficient number, since it is larger than the sum of its proper divisors (545156354376).

616263704836 is a wasteful number, since it uses less digits than its factorization.

616263704836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11851225110 (or 11851225108 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 616263704836 in words is "six hundred sixteen billion, two hundred sixty-three million, seven hundred four thousand, eight hundred thirty-six".