2006561626 has 8 divisors (see below), whose sum is σ = 3010122720. Its totient is φ = 1003187388.

The previous prime is 2006561617. The next prime is 2006561657. The reversal of 2006561626 is 6261656002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2006561591 and 2006561600.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15766 + ... + 65281.

It is an arithmetic number, because the mean of its divisors is an integer number (376265340).

Almost surely, 2^2006561626 is an apocalyptic number.

2006561626 is a deficient number, since it is larger than the sum of its proper divisors (1003561094).

2006561626 is a wasteful number, since it uses less digits than its factorization.

2006561626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93428.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2006561626 is about 44794.6606862916. The cubic root of 2006561626 is about 1261.2974009268.

The spelling of 2006561626 in words is "two billion, six million, five hundred sixty-one thousand, six hundred twenty-six".