2271167405436 has 96 divisors (see below), whose sum is σ = 5702731776000. Its totient is φ = 701840117440.

The previous prime is 2271167405389. The next prime is 2271167405449. The reversal of 2271167405436 is 6345047611722.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173965 + ... + 2138363.

It is an arithmetic number, because the mean of its divisors is an integer number (59403456000).

Almost surely, 2^{2271167405436} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2271167405436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2851365888000).

2271167405436 is an abundant number, since it is smaller than the sum of its proper divisors (3431564370564).

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

2271167405436 is a wasteful number, since it uses less digits than its factorization.

2271167405436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964559 (or 1964557 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 2271167405436 in words is "two trillion, two hundred seventy-one billion, one hundred sixty-seven million, four hundred five thousand, four hundred thirty-six".