52666162426 has 16 divisors (see below), whose sum is σ = 79945940520. Its totient is φ = 26017953280.

The previous prime is 52666162421. The next prime is 52666162459. The reversal of 52666162426 is 62426166625.

It can be written as a sum of positive squares in 4 ways, for example, as 19214118225 + 33452044201 = 138615^2 + 182899^2 .

It is not an unprimeable number, because it can be changed into a prime (52666162421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 133560 + ... + 350956.

Almost surely, 2^52666162426 is an apocalyptic number.

52666162426 is a deficient number, since it is larger than the sum of its proper divisors (27279778094).

52666162426 is a wasteful number, since it uses less digits than its factorization.

52666162426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218849.

The product of its digits is 1244160, while the sum is 46.

The spelling of 52666162426 in words is "fifty-two billion, six hundred sixty-six million, one hundred sixty-two thousand, four hundred twenty-six".