536644162351231 has 24 divisors (see below), whose sum is σ = 611805463520832. Its totient is φ = 469973236392000.

The previous prime is 536644162351229. The next prime is 536644162351259. The reversal of 536644162351231 is 132153261446635.

It is not a de Polignac number, because 536644162351231 - 2¹ = 536644162351229 is a prime.

It is a super-2 number, since 2×536644162351231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536644162351831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 592948375 + ... + 593852728.

It is an arithmetic number, because the mean of its divisors is an integer number (25491894313368).

Almost surely, 2^{536644162351231} is an apocalyptic number.

536644162351231 is a deficient number, since it is larger than the sum of its proper divisors (75161301169601).

536644162351231 is a wasteful number, since it uses less digits than its factorization.

536644162351231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186801263 (or 1186801252 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 52.

The spelling of 536644162351231 in words is "five hundred thirty-six trillion, six hundred forty-four billion, one hundred sixty-two million, three hundred fifty-one thousand, two hundred thirty-one".