2664266220001 has 4 divisors (see below), whose sum is σ = 2820987762372. Its totient is φ = 2507544677632.

The previous prime is 2664266219999. The next prime is 2664266220047. The reversal of 2664266220001 is 1000226624662.

2664266220001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2438048030625 + 226218189376 = 1561425^2 + 475624^2 .

It is not a de Polignac number, because 2664266220001 - 2¹ = 2664266219999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664266220901) 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 3 ways as a sum of consecutive naturals, for example, 78360771160 + ... + 78360771193.

It is an arithmetic number, because the mean of its divisors is an integer number (705246940593).

Almost surely, 2^{2664266220001} is an apocalyptic number.

It is an amenable number.

2664266220001 is a deficient number, since it is larger than the sum of its proper divisors (156721542371).

2664266220001 is a wasteful number, since it uses less digits than its factorization.

2664266220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156721542370.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 2664266220001 in words is "two trillion, six hundred sixty-four billion, two hundred sixty-six million, two hundred twenty thousand, one".