16536603053 has 8 divisors (see below), whose sum is σ = 16591236600. Its totient is φ = 16482014208.

The previous prime is 16536603049. The next prime is 16536603059. The reversal of 16536603053 is 35030663561.

It can be written as a sum of positive squares in 4 ways, for example, as 4854884329 + 11681718724 = 69677^2 + 108082^2 .

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 16536603053 - 2² = 16536603049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16536602998 and 16536603016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16536603059) 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, 833513 + ... + 853121.

It is an arithmetic number, because the mean of its divisors is an integer number (2073904575).

Almost surely, 2^16536603053 is an apocalyptic number.

It is an amenable number.

16536603053 is a deficient number, since it is larger than the sum of its proper divisors (54633547).

16536603053 is a wasteful number, since it uses less digits than its factorization.

16536603053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22351.

The product of its (nonzero) digits is 145800, while the sum is 38.

The spelling of 16536603053 in words is "sixteen billion, five hundred thirty-six million, six hundred three thousand, fifty-three".