533166166501 has 4 divisors (see below), whose sum is σ = 533170575232. Its totient is φ = 533161757772.

The previous prime is 533166166493. The next prime is 533166166513. The reversal of 533166166501 is 105661661335.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 533166166501 - 2³ = 533166166493 is a prime.

It is a super-2 number, since 2×533166166501² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533166166901) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2017695 + ... + 2266588.

It is an arithmetic number, because the mean of its divisors is an integer number (133292643808).

Almost surely, 2^533166166501 is an apocalyptic number.

It is an amenable number.

533166166501 is a deficient number, since it is larger than the sum of its proper divisors (4408731).

533166166501 is a wasteful number, since it uses less digits than its factorization.

533166166501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408730.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 533166166501 in words is "five hundred thirty-three billion, one hundred sixty-six million, one hundred sixty-six thousand, five hundred one".