226165402116543 has 4 divisors (see below), whose sum is σ = 301553869488728. Its totient is φ = 150776934744360.

The previous prime is 226165402116517. The next prime is 226165402116547. The reversal of 226165402116543 is 345611204561622.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 226165402116543 - 2²⁰ = 226165401067967 is a prime.

It is a super-2 number, since 2×226165402116543² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226165402116492 and 226165402116501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226165402116547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37694233686088 + ... + 37694233686093.

It is an arithmetic number, because the mean of its divisors is an integer number (75388467372182).

Almost surely, 2^{226165402116543} is an apocalyptic number.

226165402116543 is a deficient number, since it is larger than the sum of its proper divisors (75388467372185).

226165402116543 is an equidigital number, since it uses as much as digits as its factorization.

226165402116543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75388467372184.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 226165402116543 in words is "two hundred twenty-six trillion, one hundred sixty-five billion, four hundred two million, one hundred sixteen thousand, five hundred forty-three".