72636141345163 has 16 divisors (see below), whose sum is σ = 80016648790752. Its totient is φ = 65931732688800.

The previous prime is 72636141345161. The next prime is 72636141345169. The reversal of 72636141345163 is 36154314163627.

It is not a de Polignac number, because 72636141345163 - 2¹ = 72636141345161 is a prime.

It is a super-2 number, since 2×72636141345163² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72636141345163.

It is not an unprimeable number, because it can be changed into a prime (72636141345161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40916928 + ... + 42655213.

It is an arithmetic number, because the mean of its divisors is an integer number (5001040549422).

Almost surely, 2^{72636141345163} is an apocalyptic number.

72636141345163 is a deficient number, since it is larger than the sum of its proper divisors (7380507445589).

72636141345163 is an equidigital number, since it uses as much as digits as its factorization.

72636141345163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83572827 (or 83572805 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 52.

The spelling of 72636141345163 in words is "seventy-two trillion, six hundred thirty-six billion, one hundred forty-one million, three hundred forty-five thousand, one hundred sixty-three".