5236621066 has 4 divisors (see below), whose sum is σ = 7854931602. Its totient is φ = 2618310532.

The previous prime is 5236621021. The next prime is 5236621073. The reversal of 5236621066 is 6601266325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5009666841 + 226954225 = 70779^2 + 15065^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1309155265 + ... + 1309155268.

Almost surely, 2^5236621066 is an apocalyptic number.

5236621066 is a deficient number, since it is larger than the sum of its proper divisors (2618310536).

5236621066 is a wasteful number, since it uses less digits than its factorization.

5236621066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618310535.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 5236621066 is about 72364.5014216225. The cubic root of 5236621066 is about 1736.5357004910.

The spelling of 5236621066 in words is "five billion, two hundred thirty-six million, six hundred twenty-one thousand, sixty-six".