16356042533 has 8 divisors (see below), whose sum is σ = 17319546648. Its totient is φ = 15392692224.

The previous prime is 16356042523. The next prime is 16356042539. The reversal of 16356042533 is 33524065361.

It can be written as a sum of positive squares in 4 ways, for example, as 6086652289 + 10269390244 = 78017^2 + 101338^2 .

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 16356042533 - 2¹⁶ = 16355976997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16356042539) 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, 236885 + ... + 298037.

It is an arithmetic number, because the mean of its divisors is an integer number (2164943331).

Almost surely, 2^16356042533 is an apocalyptic number.

It is an amenable number.

16356042533 is a deficient number, since it is larger than the sum of its proper divisors (963504115).

16356042533 is a wasteful number, since it uses less digits than its factorization.

16356042533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76903.

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 16356042533 in words is "sixteen billion, three hundred fifty-six million, forty-two thousand, five hundred thirty-three".