16528442053 has 8 divisors (see below), whose sum is σ = 16937103960. Its totient is φ = 16120043520.

The previous prime is 16528442023. The next prime is 16528442071. The reversal of 16528442053 is 35024482561.

It can be written as a sum of positive squares in 4 ways, for example, as 5649326244 + 10879115809 = 75162^2 + 104303^2 .

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 16528442053 - 2¹³ = 16528433861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16528441997 and 16528442015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16528442023) 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, 64363 + ... + 192871.

It is an arithmetic number, because the mean of its divisors is an integer number (2117137995).

Almost surely, 2^16528442053 is an apocalyptic number.

It is an amenable number.

16528442053 is a deficient number, since it is larger than the sum of its proper divisors (408661907).

16528442053 is a wasteful number, since it uses less digits than its factorization.

16528442053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131687.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 16528442053 in words is "sixteen billion, five hundred twenty-eight million, four hundred forty-two thousand, fifty-three".