2006332665 has 64 divisors (see below), whose sum is σ = 3494707200. Its totient is φ = 979824384.

The previous prime is 2006332661. The next prime is 2006332687. The reversal of 2006332665 is 5662336002.

It is not a de Polignac number, because 2006332665 - 2² = 2006332661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2006332661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1269846 + ... + 1271424.

It is an arithmetic number, because the mean of its divisors is an integer number (54604800).

Almost surely, 2^2006332665 is an apocalyptic number.

It is an amenable number.

2006332665 is a deficient number, since it is larger than the sum of its proper divisors (1488374535).

2006332665 is a wasteful number, since it uses less digits than its factorization.

2006332665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766.

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 2006332665 is about 44792.1049404915. The cubic root of 2006332665 is about 1261.2494251765.

Adding to 2006332665 its reverse (5662336002), we get a palindrome (7668668667).

The spelling of 2006332665 in words is "two billion, six million, three hundred thirty-two thousand, six hundred sixty-five".