538667226672 has 40 divisors (see below), whose sum is σ = 1391667229680. Its totient is φ = 179541519360.

The previous prime is 538667226613. The next prime is 538667226683. The reversal of 538667226672 is 276622766835.

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 7 ways as a sum of consecutive naturals, for example, 176772 + ... + 1052892.

It is an arithmetic number, because the mean of its divisors is an integer number (34791680742).

Almost surely, 2^538667226672 is an apocalyptic number.

It is an amenable number.

538667226672 is an abundant number, since it is smaller than the sum of its proper divisors (853000003008).

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

538667226672 is a wasteful number, since it uses less digits than its factorization.

538667226672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888941 (or 888935 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 60.

The spelling of 538667226672 in words is "five hundred thirty-eight billion, six hundred sixty-seven million, two hundred twenty-six thousand, six hundred seventy-two".