533220164642164 has 6 divisors (see below), whose sum is σ = 933135288123794. Its totient is φ = 266610082321080.

The previous prime is 533220164642149. The next prime is 533220164642171. The reversal of 533220164642164 is 461246461022335.

It can be written as a sum of positive squares in only one way, i.e., 533219219571600 + 945070564 = 23091540^2 + 30742^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66652520580267 + ... + 66652520580274.

Almost surely, 2^{533220164642164} is an apocalyptic number.

It is an amenable number.

533220164642164 is a deficient number, since it is larger than the sum of its proper divisors (399915123481630).

533220164642164 is a wasteful number, since it uses less digits than its factorization.

533220164642164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133305041160545 (or 133305041160543 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 533220164642164 in words is "five hundred thirty-three trillion, two hundred twenty billion, one hundred sixty-four million, six hundred forty-two thousand, one hundred sixty-four".