2660540163 has 16 divisors (see below), whose sum is σ = 3621368736. Its totient is φ = 1736833280.

The previous prime is 2660540149. The next prime is 2660540209. The reversal of 2660540163 is 3610450662.

2660540163 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2660540163 - 2⁴ = 2660540147 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2660540123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66781 + ... + 98897.

It is an arithmetic number, because the mean of its divisors is an integer number (226335546).

Almost surely, 2^2660540163 is an apocalyptic number.

2660540163 is a deficient number, since it is larger than the sum of its proper divisors (960828573).

2660540163 is a wasteful number, since it uses less digits than its factorization.

2660540163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32694.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 2660540163 is about 51580.4242227611. The cubic root of 2660540163 is about 1385.6597642938.

The spelling of 2660540163 in words is "two billion, six hundred sixty million, five hundred forty thousand, one hundred sixty-three".