2170664511326 has 32 divisors (see below), whose sum is σ = 3301089393888. Its totient is φ = 1070394716160.

The previous prime is 2170664511317. The next prime is 2170664511329. The reversal of 2170664511326 is 6231154660712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170664511329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293607086 + ... + 293614478.

It is an arithmetic number, because the mean of its divisors is an integer number (103159043559).

Almost surely, 2^{2170664511326} is an apocalyptic number.

2170664511326 is a deficient number, since it is larger than the sum of its proper divisors (1130424882562).

2170664511326 is a wasteful number, since it uses less digits than its factorization.

2170664511326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13436.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 2170664511326 in words is "two trillion, one hundred seventy billion, six hundred sixty-four million, five hundred eleven thousand, three hundred twenty-six".