2004172692665 has 32 divisors (see below), whose sum is σ = 2839805692416. Its totient is φ = 1338628757760.

The previous prime is 2004172692563. The next prime is 2004172692667. The reversal of 2004172692665 is 5662962714002.

It is not a de Polignac number, because 2004172692665 - 2⁸ = 2004172692409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2004172692667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6973457 + ... + 7255166.

It is an arithmetic number, because the mean of its divisors is an integer number (88743927888).

Almost surely, 2^{2004172692665} is an apocalyptic number.

It is an amenable number.

2004172692665 is a deficient number, since it is larger than the sum of its proper divisors (835632999751).

2004172692665 is a wasteful number, since it uses less digits than its factorization.

2004172692665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14228849.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 2004172692665 in words is "two trillion, four billion, one hundred seventy-two million, six hundred ninety-two thousand, six hundred sixty-five".