6666514044 has 48 divisors (see below), whose sum is σ = 15840228096. Its totient is φ = 2181715200.

The previous prime is 6666514039. The next prime is 6666514069. The reversal of 6666514044 is 4404156666.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6666513987 and 6666514005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189099 + ... + 221565.

It is an arithmetic number, because the mean of its divisors is an integer number (330004752).

Almost surely, 2^6666514044 is an apocalyptic number.

It is an amenable number.

6666514044 is an abundant number, since it is smaller than the sum of its proper divisors (9173714052).

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

6666514044 is a wasteful number, since it uses less digits than its factorization.

6666514044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32786 (or 32784 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 6666514044 is about 81648.7234682821. The cubic root of 6666514044 is about 1882.0576953096.

It can be divided in two parts, 6666 and 514044, that added together give a triangular number (520710 = T₁₀₂₀).

The spelling of 6666514044 in words is "six billion, six hundred sixty-six million, five hundred fourteen thousand, forty-four".