2666324451 has 32 divisors (see below), whose sum is σ = 4181152768. Its totient is φ = 1479461760.

The previous prime is 2666324449. The next prime is 2666324471. The reversal of 2666324451 is 1544236662.

It is not a de Polignac number, because 2666324451 - 2¹ = 2666324449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2666324411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 417186 + ... + 423528.

It is an arithmetic number, because the mean of its divisors is an integer number (130661024).

Almost surely, 2^2666324451 is an apocalyptic number.

2666324451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2666324451 is a deficient number, since it is larger than the sum of its proper divisors (1514828317).

2666324451 is a wasteful number, since it uses less digits than its factorization.

2666324451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6931.

The product of its digits is 207360, while the sum is 39.

The square root of 2666324451 is about 51636.4643541751. The cubic root of 2666324451 is about 1386.6632263909.

The spelling of 2666324451 in words is "two billion, six hundred sixty-six million, three hundred twenty-four thousand, four hundred fifty-one".