2660981323 has 16 divisors (see below), whose sum is σ = 3572787456. Its totient is φ = 1913991840.

The previous prime is 2660981299. The next prime is 2660981399. The reversal of 2660981323 is 3231890662.

It is a cyclic number.

It is not a de Polignac number, because 2660981323 - 2¹³ = 2660973131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2660981023) 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, 1328161 + ... + 1330162.

It is an arithmetic number, because the mean of its divisors is an integer number (223299216).

Almost surely, 2^2660981323 is an apocalyptic number.

2660981323 is a deficient number, since it is larger than the sum of its proper divisors (911806133).

2660981323 is a wasteful number, since it uses less digits than its factorization.

2660981323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658354.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 2660981323 is about 51584.7004740747. The cubic root of 2660981323 is about 1385.7363482253.

The spelling of 2660981323 in words is "two billion, six hundred sixty million, nine hundred eighty-one thousand, three hundred twenty-three".