2271706367655 has 8 divisors (see below), whose sum is σ = 3634730188272. Its totient is φ = 1211576729408.

The previous prime is 2271706367653. The next prime is 2271706367659. The reversal of 2271706367655 is 5567636071722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2271706367655 - 2¹ = 2271706367653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2271706367595 and 2271706367604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271706367653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75723545574 + ... + 75723545603.

It is an arithmetic number, because the mean of its divisors is an integer number (454341273534).

Almost surely, 2^{2271706367655} is an apocalyptic number.

2271706367655 is a deficient number, since it is larger than the sum of its proper divisors (1363023820617).

2271706367655 is a wasteful number, since it uses less digits than its factorization.

2271706367655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151447091185.

The product of its (nonzero) digits is 22226400, while the sum is 57.

The spelling of 2271706367655 in words is "two trillion, two hundred seventy-one billion, seven hundred six million, three hundred sixty-seven thousand, six hundred fifty-five".