16536652533 has 12 divisors (see below), whose sum is σ = 24122774988. Its totient is φ = 10915281600.

The previous prime is 16536652519. The next prime is 16536652553. The reversal of 16536652533 is 33525663561.

16536652533 is a `hidden beast` number, since 1 + 6 + 5 + 3 + 66 + 52 + 533 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13904654724 + 2631997809 = 117918^2 + 51303^2 .

It is not a de Polignac number, because 16536652533 - 2⁹ = 16536652021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16536652553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9095160 + ... + 9096977.

It is an arithmetic number, because the mean of its divisors is an integer number (2010231249).

Almost surely, 2^16536652533 is an apocalyptic number.

It is an amenable number.

16536652533 is a deficient number, since it is larger than the sum of its proper divisors (7586122455).

16536652533 is a wasteful number, since it uses less digits than its factorization.

16536652533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18192244 (or 18192241 counting only the distinct ones).

The product of its digits is 1458000, while the sum is 45.

The spelling of 16536652533 in words is "sixteen billion, five hundred thirty-six million, six hundred fifty-two thousand, five hundred thirty-three".