221534530436264 has 32 divisors (see below), whose sum is σ = 415471390266240. Its totient is φ = 110742161040000.

The previous prime is 221534530436243. The next prime is 221534530436281. The reversal of 221534530436264 is 462634035435122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1920600977 + ... + 1920716319.

It is an arithmetic number, because the mean of its divisors is an integer number (12983480945820).

Almost surely, 2^{221534530436264} is an apocalyptic number.

It is an amenable number.

221534530436264 is a deficient number, since it is larger than the sum of its proper divisors (193936859829976).

221534530436264 is a wasteful number, since it uses less digits than its factorization.

221534530436264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167681 (or 167677 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 50.

The spelling of 221534530436264 in words is "two hundred twenty-one trillion, five hundred thirty-four billion, five hundred thirty million, four hundred thirty-six thousand, two hundred sixty-four".