2115066570 has 128 divisors (see below), whose sum is σ = 5395299840. Its totient is φ = 529858560.

The previous prime is 2115066563. The next prime is 2115066571. The reversal of 2115066570 is 756605112.

It is not an unprimeable number, because it can be changed into a prime (2115066571) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5991514 + ... + 5991866.

It is an arithmetic number, because the mean of its divisors is an integer number (42150780).

Almost surely, 2^2115066570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2115066570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2697649920).

2115066570 is an abundant number, since it is smaller than the sum of its proper divisors (3280233270).

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

2115066570 is a wasteful number, since it uses less digits than its factorization.

2115066570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 2115066570 is about 45989.8529025697. The cubic root of 2115066570 is about 1283.6343994090.

The spelling of 2115066570 in words is "two billion, one hundred fifteen million, sixty-six thousand, five hundred seventy".