13223925921766 has 64 divisors (see below), whose sum is σ = 24066864415872. Its totient is φ = 5319866990592.

The previous prime is 13223925921719. The next prime is 13223925921799. The reversal of 13223925921766 is 66712952932231.

It is a self number, because there is not a number n which added to its sum of digits gives 13223925921766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143422456 + ... + 143514628.

It is an arithmetic number, because the mean of its divisors is an integer number (376044756498).

Almost surely, 2^{13223925921766} is an apocalyptic number.

13223925921766 is a deficient number, since it is larger than the sum of its proper divisors (10842938494106).

13223925921766 is a wasteful number, since it uses less digits than its factorization.

13223925921766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93793.

The product of its digits is 14696640, while the sum is 58.

The spelling of 13223925921766 in words is "thirteen trillion, two hundred twenty-three billion, nine hundred twenty-five million, nine hundred twenty-one thousand, seven hundred sixty-six".