2660372385 has 16 divisors (see below), whose sum is σ = 4643559360. Its totient is φ = 1289877440.

The previous prime is 2660372359. The next prime is 2660372431. The reversal of 2660372385 is 5832730662.

It is a happy number.

It is not a de Polignac number, because 2660372385 - 2¹² = 2660368289 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8061570 + ... + 8061899.

It is an arithmetic number, because the mean of its divisors is an integer number (290222460).

Almost surely, 2^2660372385 is an apocalyptic number.

It is an amenable number.

2660372385 is a deficient number, since it is larger than the sum of its proper divisors (1983186975).

2660372385 is a wasteful number, since it uses less digits than its factorization.

2660372385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16123488.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 2660372385 is about 51578.7978242999. The cubic root of 2660372385 is about 1385.6306363603.

The spelling of 2660372385 in words is "two billion, six hundred sixty million, three hundred seventy-two thousand, three hundred eighty-five".