2069706816 has 280 divisors, whose sum is σ = 6479218944. Its totient is φ = 655050240.

The previous prime is 2069706811. The next prime is 2069706827. The reversal of 2069706816 is 6186079602.

It is not an unprimeable number, because it can be changed into a prime (2069706811) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39051046 + ... + 39051098.

Almost surely, 2^2069706816 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 2069706816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3239609472).

2069706816 is an abundant number, since it is smaller than the sum of its proper divisors (4409512128).

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

2069706816 is an frugal number, since it uses more digits than its factorization.

2069706816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2069706816 is about 45494.0305534693. The cubic root of 2069706816 is about 1274.3917264617.

The spelling of 2069706816 in words is "two billion, sixty-nine million, seven hundred six thousand, eight hundred sixteen".