2152660366 has 16 divisors (see below), whose sum is σ = 3406813200. Its totient is φ = 1017318528.

The previous prime is 2152660357. The next prime is 2152660381. The reversal of 2152660366 is 6630662512.

2152660366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 48961 + ... + 81868.

It is an arithmetic number, because the mean of its divisors is an integer number (212925825).

Almost surely, 2^2152660366 is an apocalyptic number.

2152660366 is a deficient number, since it is larger than the sum of its proper divisors (1254152834).

2152660366 is a wasteful number, since it uses less digits than its factorization.

2152660366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131283.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 2152660366 is about 46396.7710729960. The cubic root of 2152660366 is about 1291.1950078649.

The spelling of 2152660366 in words is "two billion, one hundred fifty-two million, six hundred sixty thousand, three hundred sixty-six".