2006623506 has 16 divisors (see below), whose sum is σ = 4151635200. Its totient is φ = 645809808.

The previous prime is 2006623501. The next prime is 2006623561. The reversal of 2006623506 is 6053266002.

It is not an unprimeable number, because it can be changed into a prime (2006623501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5765986 + ... + 5766333.

It is an arithmetic number, because the mean of its divisors is an integer number (259477200).

Almost surely, 2^2006623506 is an apocalyptic number.

2006623506 is an abundant number, since it is smaller than the sum of its proper divisors (2145011694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2006623506 is a wasteful number, since it uses less digits than its factorization.

2006623506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11532353.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 2006623506 is about 44795.3513882858. The cubic root of 2006623506 is about 1261.3103664362.

Adding to 2006623506 its reverse (6053266002), we get a palindrome (8059889508).

The spelling of 2006623506 in words is "two billion, six million, six hundred twenty-three thousand, five hundred six".