5372521866 has 48 divisors (see below), whose sum is σ = 12342844800. Its totient is φ = 1683083904.

The previous prime is 5372521823. The next prime is 5372521873. The reversal of 5372521866 is 6681252735.

5372521866 is a `hidden beast` number, since 5 + 372 + 5 + 218 + 66 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207805 + ... + 232223.

It is an arithmetic number, because the mean of its divisors is an integer number (257142600).

Almost surely, 2^5372521866 is an apocalyptic number.

5372521866 is an abundant number, since it is smaller than the sum of its proper divisors (6970322934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5372521866 is a wasteful number, since it uses less digits than its factorization.

5372521866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25163 (or 25160 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 5372521866 is about 73297.4888110091. The cubic root of 5372521866 is about 1751.4297829237.

The spelling of 5372521866 in words is "five billion, three hundred seventy-two million, five hundred twenty-one thousand, eight hundred sixty-six".