2666324801 has 4 divisors (see below), whose sum is σ = 3047228352. Its totient is φ = 2285421252.

The previous prime is 2666324767. The next prime is 2666324807. The reversal of 2666324801 is 1084236662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2666324801 - 2⁶ = 2666324737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2666324807) 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, 190451765 + ... + 190451778.

It is an arithmetic number, because the mean of its divisors is an integer number (761807088).

Almost surely, 2^2666324801 is an apocalyptic number.

It is an amenable number.

2666324801 is a deficient number, since it is larger than the sum of its proper divisors (380903551).

2666324801 is an equidigital number, since it uses as much as digits as its factorization.

2666324801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380903550.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 2666324801 is about 51636.4677432529. The cubic root of 2666324801 is about 1386.6632870652.

The spelling of 2666324801 in words is "two billion, six hundred sixty-six million, three hundred twenty-four thousand, eight hundred one".