2066973872 has 10 divisors (see below), whose sum is σ = 4004761908. Its totient is φ = 1033486928.

The previous prime is 2066973827. The next prime is 2066973893. The reversal of 2066973872 is 2783796602.

It is a self number, because there is not a number n which added to its sum of digits gives 2066973872.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64592918 + ... + 64592949.

Almost surely, 2^2066973872 is an apocalyptic number.

It is an amenable number.

2066973872 is a deficient number, since it is larger than the sum of its proper divisors (1937788036).

2066973872 is a wasteful number, since it uses less digits than its factorization.

2066973872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129185875 (or 129185869 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 50.

The square root of 2066973872 is about 45463.9843392547. The cubic root of 2066973872 is about 1273.8305559465.

The spelling of 2066973872 in words is "two billion, sixty-six million, nine hundred seventy-three thousand, eight hundred seventy-two".