536601661131 has 32 divisors (see below), whose sum is σ = 729264833280. Its totient is φ = 350865415296.

The previous prime is 536601661111. The next prime is 536601661159. The reversal of 536601661131 is 131166106635.

It is not a de Polignac number, because 536601661131 - 2⁶ = 536601661067 is a prime.

It is a super-2 number, since 2×536601661131² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 536601661131.

It is not an unprimeable number, because it can be changed into a prime (536601661111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198226080 + ... + 198228786.

It is an arithmetic number, because the mean of its divisors is an integer number (22789526040).

Almost surely, 2^536601661131 is an apocalyptic number.

536601661131 is a deficient number, since it is larger than the sum of its proper divisors (192663172149).

536601661131 is a wasteful number, since it uses less digits than its factorization.

536601661131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923.

The product of its (nonzero) digits is 58320, while the sum is 39.

Adding to 536601661131 its reverse (131166106635), we get a palindrome (667767767766).

The spelling of 536601661131 in words is "five hundred thirty-six billion, six hundred one million, six hundred sixty-one thousand, one hundred thirty-one".