2669216256 has 240 divisors, whose sum is σ = 8919054144. Its totient is φ = 752689152.

The previous prime is 2669216243. The next prime is 2669216261. The reversal of 2669216256 is 6526129662.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2676750 + ... + 2677746.

Almost surely, 2^2669216256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2669216256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4459527072).

2669216256 is an abundant number, since it is smaller than the sum of its proper divisors (6249837888).

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

2669216256 is an equidigital number, since it uses as much as digits as its factorization.

2669216256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111 (or 1092 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 2669216256 is about 51664.4583442041. The cubic root of 2669216256 is about 1387.1643545555.

The spelling of 2669216256 in words is "two billion, six hundred sixty-nine million, two hundred sixteen thousand, two hundred fifty-six".