2070644466 has 32 divisors (see below), whose sum is σ = 4522219776. Its totient is φ = 626850000.

The previous prime is 2070644371. The next prime is 2070644467. The reversal of 2070644466 is 6644460702.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2070644467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54441 + ... + 84291.

It is an arithmetic number, because the mean of its divisors is an integer number (141319368).

Almost surely, 2^2070644466 is an apocalyptic number.

2070644466 is an abundant number, since it is smaller than the sum of its proper divisors (2451575310).

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

2070644466 is a wasteful number, since it uses less digits than its factorization.

2070644466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30918.

The product of its (nonzero) digits is 193536, while the sum is 39.

The square root of 2070644466 is about 45504.3345847404. The cubic root of 2070644466 is about 1274.5841455021.

The spelling of 2070644466 in words is "two billion, seventy million, six hundred forty-four thousand, four hundred sixty-six".