2664266220002 has 4 divisors (see below), whose sum is σ = 3996399330006. Its totient is φ = 1332133110000.

The previous prime is 2664266219999. The next prime is 2664266220047. The reversal of 2664266220002 is 2000226624662.

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

It can be written as a sum of positive squares in only one way, i.e., 1607669307721 + 1056596912281 = 1267939^2 + 1027909^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 666066554999 + ... + 666066555002.

Almost surely, 2^{2664266220002} is an apocalyptic number.

2664266220002 is a deficient number, since it is larger than the sum of its proper divisors (1332133110004).

2664266220002 is a wasteful number, since it uses less digits than its factorization.

2664266220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332133110003.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 2664266220002 in words is "two trillion, six hundred sixty-four billion, two hundred sixty-six million, two hundred twenty thousand, two".