2070016640 has 64 divisors (see below), whose sum is σ = 4955217120. Its totient is φ = 826905600.

The previous prime is 2070016631. The next prime is 2070016667. The reversal of 2070016640 is 466100702.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619775 + ... + 623105.

Almost surely, 2^2070016640 is an apocalyptic number.

2070016640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2070016640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2477608560).

2070016640 is an abundant number, since it is smaller than the sum of its proper divisors (2885200480).

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

2070016640 is an equidigital number, since it uses as much as digits as its factorization.

2070016640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321 (or 4309 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2070016640 is about 45497.4355321264. The cubic root of 2070016640 is about 1274.4553131557.

The spelling of 2070016640 in words is "two billion, seventy million, sixteen thousand, six hundred forty".