2152007006666 has 16 divisors (see below), whose sum is σ = 3556332014688. Its totient is φ = 968500002000.

The previous prime is 2152007006651. The next prime is 2152007006689. The reversal of 2152007006666 is 6666007002512.

It is a super-2 number, since 2×2152007006666² (a number of 25 digits) contains 22 as substring.

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, 484247780 + ... + 484252223.

It is an arithmetic number, because the mean of its divisors is an integer number (222270750918).

Almost surely, 2^{2152007006666} is an apocalyptic number.

2152007006666 is a deficient number, since it is larger than the sum of its proper divisors (1404325008022).

2152007006666 is a wasteful number, since it uses less digits than its factorization.

2152007006666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968500117.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 2152007006666 in words is "two trillion, one hundred fifty-two billion, seven million, six thousand, six hundred sixty-six".