2005006491716 has 36 divisors (see below), whose sum is σ = 3668247131052. Its totient is φ = 958838215104.

The previous prime is 2005006491679. The next prime is 2005006491767. The reversal of 2005006491716 is 6171946005002.

It can be written as a sum of positive squares in 2 ways, for example, as 151051931716 + 1853954560000 = 388654^2 + 1361600^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32498450 + ... + 32560086.

Almost surely, 2^{2005006491716} is an apocalyptic number.

It is an amenable number.

2005006491716 is a deficient number, since it is larger than the sum of its proper divisors (1663240639336).

2005006491716 is a wasteful number, since it uses less digits than its factorization.

2005006491716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77060 (or 77035 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 2005006491716 in words is "two trillion, five billion, six million, four hundred ninety-one thousand, seven hundred sixteen".