2152720670 has 16 divisors (see below), whose sum is σ = 3880517328. Its totient is φ = 859839360.

The previous prime is 2152720667. The next prime is 2152720741. The reversal of 2152720670 is 760272512.

It is a Curzon number.

It is a congruent number.

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, 148859 + ... + 162678.

It is an arithmetic number, because the mean of its divisors is an integer number (242532333).

Almost surely, 2^2152720670 is an apocalyptic number.

2152720670 is a deficient number, since it is larger than the sum of its proper divisors (1727796658).

2152720670 is a wasteful number, since it uses less digits than its factorization.

2152720670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312235.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 2152720670 is about 46397.4209412549. The cubic root of 2152720670 is about 1291.2070648058.

The spelling of 2152720670 in words is "two billion, one hundred fifty-two million, seven hundred twenty thousand, six hundred seventy".