165226031154426 has 48 divisors (see below), whose sum is σ = 363233049326784. Its totient is φ = 50067270000000.

The previous prime is 165226031154403. The next prime is 165226031154433. The reversal of 165226031154426 is 624451130622561.

165226031154426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27150051 + ... + 32673801.

It is an arithmetic number, because the mean of its divisors is an integer number (7567355194308).

Almost surely, 2^{165226031154426} is an apocalyptic number.

165226031154426 is an abundant number, since it is smaller than the sum of its proper divisors (198007018172358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165226031154426 is a wasteful number, since it uses less digits than its factorization.

165226031154426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5564979 (or 5564968 counting only the distinct ones).

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

Adding to 165226031154426 its reverse (624451130622561), we get a palindrome (789677161776987).

The spelling of 165226031154426 in words is "one hundred sixty-five trillion, two hundred twenty-six billion, thirty-one million, one hundred fifty-four thousand, four hundred twenty-six".