2722357771161 has 16 divisors (see below), whose sum is σ = 4159910016000. Its totient is φ = 1551299768208.

The previous prime is 2722357771139. The next prime is 2722357771169. The reversal of 2722357771161 is 1611777532272.

It is not a de Polignac number, because 2722357771161 - 2¹¹ = 2722357769113 is a prime.

It is a super-2 number, since 2×2722357771161² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2722357771169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180544111 + ... + 180559188.

It is an arithmetic number, because the mean of its divisors is an integer number (259994376000).

Almost surely, 2^{2722357771161} is an apocalyptic number.

2722357771161 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2722357771161 is a deficient number, since it is larger than the sum of its proper divisors (1437552244839).

2722357771161 is a wasteful number, since it uses less digits than its factorization.

2722357771161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361103668.

The product of its digits is 1728720, while the sum is 51.

The spelling of 2722357771161 in words is "two trillion, seven hundred twenty-two billion, three hundred fifty-seven million, seven hundred seventy-one thousand, one hundred sixty-one".