2271213113664 has 112 divisors (see below), whose sum is σ = 6941167459776. Its totient is φ = 647761305600.

The previous prime is 2271213113657. The next prime is 2271213113699. The reversal of 2271213113664 is 4663113121722.

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 15 ways as a sum of consecutive naturals, for example, 31593067 + ... + 31664874.

Almost surely, 2^{2271213113664} is an apocalyptic number.

2271213113664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2271213113664 is an abundant number, since it is smaller than the sum of its proper divisors (4669954346112).

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

2271213113664 is a wasteful number, since it uses less digits than its factorization.

2271213113664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63257984 (or 63257974 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The spelling of 2271213113664 in words is "two trillion, two hundred seventy-one billion, two hundred thirteen million, one hundred thirteen thousand, six hundred sixty-four".