2660614663 has 8 divisors (see below), whose sum is σ = 3049728032. Its totient is φ = 2273757696.

The previous prime is 2660614643. The next prime is 2660614667. The reversal of 2660614663 is 3664160662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2660614663 - 2²⁵ = 2627060231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660614667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561570 + ... + 566287.

It is an arithmetic number, because the mean of its divisors is an integer number (381216004).

Almost surely, 2^2660614663 is an apocalyptic number.

2660614663 is a deficient number, since it is larger than the sum of its proper divisors (389113369).

2660614663 is a wasteful number, since it uses less digits than its factorization.

2660614663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128201.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 2660614663 is about 51581.1463909053. The cubic root of 2660614663 is about 1385.6726978439.

The spelling of 2660614663 in words is "two billion, six hundred sixty million, six hundred fourteen thousand, six hundred sixty-three".