2722073657157 has 6 divisors (see below), whose sum is σ = 3931884171462. Its totient is φ = 1814715771432.

The previous prime is 2722073657129. The next prime is 2722073657167. The reversal of 2722073657157 is 7517563702272.

2722073657157 is a `hidden beast` number, since 2 + 7 + 2 + 207 + 365 + 71 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2548489767201 + 173583889956 = 1596399^2 + 416634^2 .

It is not a de Polignac number, because 2722073657157 - 2⁷ = 2722073657029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722073657167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151226314278 + ... + 151226314295.

It is an arithmetic number, because the mean of its divisors is an integer number (655314028577).

Almost surely, 2^{2722073657157} is an apocalyptic number.

It is an amenable number.

2722073657157 is a deficient number, since it is larger than the sum of its proper divisors (1209810514305).

2722073657157 is a wasteful number, since it uses less digits than its factorization.

2722073657157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302452628579 (or 302452628576 counting only the distinct ones).

The product of its (nonzero) digits is 8643600, while the sum is 54.

The spelling of 2722073657157 in words is "two trillion, seven hundred twenty-two billion, seventy-three million, six hundred fifty-seven thousand, one hundred fifty-seven".