2660503671 has 64 divisors (see below), whose sum is σ = 4769280000. Its totient is φ = 1431880416.

The previous prime is 2660503609. The next prime is 2660503673. The reversal of 2660503671 is 1763050662.

2660503671 is a `hidden beast` number, since 26 + 60 + 503 + 6 + 71 = 666.

It is not a de Polignac number, because 2660503671 - 2¹⁴ = 2660487287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660503673) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 640720 + ... + 644858.

It is an arithmetic number, because the mean of its divisors is an integer number (74520000).

Almost surely, 2^2660503671 is an apocalyptic number.

2660503671 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2660503671 is a deficient number, since it is larger than the sum of its proper divisors (2108776329).

2660503671 is a wasteful number, since it uses less digits than its factorization.

2660503671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353 (or 4347 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 2660503671 is about 51580.0704826971. The cubic root of 2660503671 is about 1385.6534290230.

The spelling of 2660503671 in words is "two billion, six hundred sixty million, five hundred three thousand, six hundred seventy-one".