2666406504 has 32 divisors (see below), whose sum is σ = 6765513120. Its totient is φ = 875535936.

The previous prime is 2666406487. The next prime is 2666406511. The reversal of 2666406504 is 4056046662.

2666406504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827499 + ... + 830714.

It is an arithmetic number, because the mean of its divisors is an integer number (211422285).

Almost surely, 2^2666406504 is an apocalyptic number.

2666406504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2666406504 is an abundant number, since it is smaller than the sum of its proper divisors (4099106616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2666406504 is a wasteful number, since it uses less digits than its factorization.

2666406504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658289 (or 1658285 counting only the distinct ones).

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

The square root of 2666406504 is about 51637.2588738016. The cubic root of 2666406504 is about 1386.6774505551.

The spelling of 2666406504 in words is "two billion, six hundred sixty-six million, four hundred six thousand, five hundred four".