2006636202645 has 32 divisors (see below), whose sum is σ = 3414322782720. Its totient is φ = 1002854169600.

The previous prime is 2006636202629. The next prime is 2006636202731. The reversal of 2006636202645 is 5462026366002.

It is not a de Polignac number, because 2006636202645 - 2⁴ = 2006636202629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2006636202597 and 2006636202606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17123181 + ... + 17239970.

It is an arithmetic number, because the mean of its divisors is an integer number (106697586960).

Almost surely, 2^{2006636202645} is an apocalyptic number.

It is an amenable number.

2006636202645 is a deficient number, since it is larger than the sum of its proper divisors (1407686580075).

2006636202645 is a wasteful number, since it uses less digits than its factorization.

2006636202645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34363405.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 2006636202645 in words is "two trillion, six billion, six hundred thirty-six million, two hundred two thousand, six hundred forty-five".