2209190766064 has 20 divisors (see below), whose sum is σ = 4301816196400. Its totient is φ = 1099044650880.

The previous prime is 2209190766061. The next prime is 2209190766179. The reversal of 2209190766064 is 4606670919022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2209190766061) 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 3 ways as a sum of consecutive naturals, for example, 346917477 + ... + 346923844.

It is an arithmetic number, because the mean of its divisors is an integer number (215090809820).

Almost surely, 2^{2209190766064} is an apocalyptic number.

It is an amenable number.

2209190766064 is a deficient number, since it is larger than the sum of its proper divisors (2092625430336).

2209190766064 is a wasteful number, since it uses less digits than its factorization.

2209190766064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693841528 (or 693841522 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 2209190766064 in words is "two trillion, two hundred nine billion, one hundred ninety million, seven hundred sixty-six thousand, sixty-four".