7161707384557 has 16 divisors (see below), whose sum is σ = 7884968097600. Its totient is φ = 6450487280640.

The previous prime is 7161707384521. The next prime is 7161707384569. The reversal of 7161707384557 is 7554837071617.

It is a cyclic number.

It is not a de Polignac number, because 7161707384557 - 2²⁷ = 7161573166829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7161707384495 and 7161707384504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7161707387557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18766078 + ... + 19143904.

It is an arithmetic number, because the mean of its divisors is an integer number (492810506100).

Almost surely, 2^{7161707384557} is an apocalyptic number.

It is an amenable number.

7161707384557 is a deficient number, since it is larger than the sum of its proper divisors (723260713043).

7161707384557 is a wasteful number, since it uses less digits than its factorization.

7161707384557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393756.

The product of its (nonzero) digits is 34574400, while the sum is 61.

The spelling of 7161707384557 in words is "seven trillion, one hundred sixty-one billion, seven hundred seven million, three hundred eighty-four thousand, five hundred fifty-seven".