533433867661 has 8 divisors (see below), whose sum is σ = 561526732800. Its totient is φ = 505342742400.

The previous prime is 533433867599. The next prime is 533433867677. The reversal of 533433867661 is 166768334335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 533433867661 - 2¹⁵ = 533433834893 is a prime.

It is a super-2 number, since 2×533433867661² (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 (533433867361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219636 + ... + 1055986.

It is an arithmetic number, because the mean of its divisors is an integer number (70190841600).

Almost surely, 2^533433867661 is an apocalyptic number.

It is an amenable number.

533433867661 is a deficient number, since it is larger than the sum of its proper divisors (28092865139).

533433867661 is a wasteful number, since it uses less digits than its factorization.

533433867661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869939.

The product of its digits is 19595520, while the sum is 55.

The spelling of 533433867661 in words is "five hundred thirty-three billion, four hundred thirty-three million, eight hundred sixty-seven thousand, six hundred sixty-one".