2006661624727 has 2 divisors, whose sum is σ = 2006661624728. Its totient is φ = 2006661624726.

The previous prime is 2006661624719. The next prime is 2006661624733. The reversal of 2006661624727 is 7274261666002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2006661624727 - 2³ = 2006661624719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2006661624707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003330812363 + 1003330812364.

It is an arithmetic number, because the mean of its divisors is an integer number (1003330812364).

Almost surely, 2^{2006661624727} is an apocalyptic number.

2006661624727 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006661624727 is an equidigital number, since it uses as much as digits as its factorization.

2006661624727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 2006661624727 in words is "two trillion, six billion, six hundred sixty-one million, six hundred twenty-four thousand, seven hundred twenty-seven".