16711120575656 has 16 divisors (see below), whose sum is σ = 33743608854900. Its totient is φ = 7712824881024.

The previous prime is 16711120575647. The next prime is 16711120575659. The reversal of 16711120575656 is 65657502111761.

It can be written as a sum of positive squares in 2 ways, for example, as 11573944202500 + 5137176373156 = 3402050^2 + 2266534^2 .

It is a super-2 number, since 2×16711120575656² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16711120575598 and 16711120575607.

It is not an unprimeable number, because it can be changed into a prime (16711120575659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80341925741 + ... + 80341925948.

Almost surely, 2^{16711120575656} is an apocalyptic number.

It is an amenable number.

16711120575656 is an abundant number, since it is smaller than the sum of its proper divisors (17032488279244).

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

16711120575656 is a wasteful number, since it uses less digits than its factorization.

16711120575656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160683851708 (or 160683851704 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 53.

The spelling of 16711120575656 in words is "sixteen trillion, seven hundred eleven billion, one hundred twenty million, five hundred seventy-five thousand, six hundred fifty-six".