1656650055069 has 8 divisors (see below), whose sum is σ = 2454296377920. Its totient is φ = 1104433370028.

The previous prime is 1656650055013. The next prime is 1656650055079. The reversal of 1656650055069 is 9605500566561.

It is a happy number.

1656650055069 is a `hidden beast` number, since 16 + 5 + 66 + 500 + 5 + 5 + 0 + 69 = 666.

It is not a de Polignac number, because 1656650055069 - 2⁹ = 1656650054557 is a prime.

It is a super-2 number, since 2×1656650055069² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1656650055079) 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, 30678704697 + ... + 30678704750.

It is an arithmetic number, because the mean of its divisors is an integer number (306787047240).

Almost surely, 2^{1656650055069} is an apocalyptic number.

It is an amenable number.

1656650055069 is a deficient number, since it is larger than the sum of its proper divisors (797646322851).

1656650055069 is an equidigital number, since it uses as much as digits as its factorization.

1656650055069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61357409456 (or 61357409450 counting only the distinct ones).

The product of its (nonzero) digits is 7290000, while the sum is 54.

The spelling of 1656650055069 in words is "one trillion, six hundred fifty-six billion, six hundred fifty million, fifty-five thousand, sixty-nine".