1323166111001 has 16 divisors (see below), whose sum is σ = 1547513054208. Its totient is φ = 1107655290000.

The previous prime is 1323166110977. The next prime is 1323166111097. The reversal of 1323166111001 is 1001116613231.

It is a happy number.

It is not a de Polignac number, because 1323166111001 - 2²² = 1323161916697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323166117001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2838926 + ... + 3271976.

It is an arithmetic number, because the mean of its divisors is an integer number (96719565888).

Almost surely, 2^{1323166111001} is an apocalyptic number.

It is an amenable number.

1323166111001 is a deficient number, since it is larger than the sum of its proper divisors (224346943207).

1323166111001 is a wasteful number, since it uses less digits than its factorization.

1323166111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443252.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 1323166111001 in words is "one trillion, three hundred twenty-three billion, one hundred sixty-six million, one hundred eleven thousand, one".