4003666667 has 24 divisors (see below), whose sum is σ = 5471554032. Its totient is φ = 2879755200.

The previous prime is 4003666633. The next prime is 4003666669. The reversal of 4003666667 is 7666663004.

It is not a de Polignac number, because 4003666667 - 2⁸ = 4003666411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4003666669) 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 23 ways as a sum of consecutive naturals, for example, 278684 + ... + 292697.

It is an arithmetic number, because the mean of its divisors is an integer number (227981418).

Almost surely, 2^4003666667 is an apocalyptic number.

4003666667 is a deficient number, since it is larger than the sum of its proper divisors (1467887365).

4003666667 is a wasteful number, since it uses less digits than its factorization.

4003666667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571419 (or 571412 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 44.

The square root of 4003666667 is about 63274.5341112837. The cubic root of 4003666667 is about 1587.8859430916.

The spelling of 4003666667 in words is "four billion, three million, six hundred sixty-six thousand, six hundred sixty-seven".