2669168856 has 16 divisors (see below), whose sum is σ = 6672922200. Its totient is φ = 889722944.

The previous prime is 2669168833. The next prime is 2669168857. The reversal of 2669168856 is 6588619662.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2669168796 and 2669168805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669168857) 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, 55607661 + ... + 55607708.

Almost surely, 2^2669168856 is an apocalyptic number.

It is an amenable number.

2669168856 is an abundant number, since it is smaller than the sum of its proper divisors (4003753344).

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

2669168856 is a wasteful number, since it uses less digits than its factorization.

2669168856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111215378 (or 111215374 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 57.

The square root of 2669168856 is about 51663.9996128832. Note that the first 3 decimals coincide. The cubic root of 2669168856 is about 1387.1561434087.

The spelling of 2669168856 in words is "two billion, six hundred sixty-nine million, one hundred sixty-eight thousand, eight hundred fifty-six".