2009868066766 has 8 divisors (see below), whose sum is σ = 3445488114480. Its totient is φ = 861372028608.

The previous prime is 2009868066671. The next prime is 2009868066799. The reversal of 2009868066766 is 6676608689002.

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 = 2009868066698 and 2009868066707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71781002371 + ... + 71781002398.

It is an arithmetic number, because the mean of its divisors is an integer number (430686014310).

Almost surely, 2^{2009868066766} is an apocalyptic number.

2009868066766 is a deficient number, since it is larger than the sum of its proper divisors (1435620047714).

2009868066766 is a wasteful number, since it uses less digits than its factorization.

2009868066766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143562004778.

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 2009868066766 in words is "two trillion, nine billion, eight hundred sixty-eight million, sixty-six thousand, seven hundred sixty-six".