3804728142566 has 16 divisors (see below), whose sum is σ = 6507634561344. Its totient is φ = 1652732586624.

The previous prime is 3804728142547. The next prime is 3804728142599. The reversal of 3804728142566 is 6652418274083.

It is a super-3 number, since 3×3804728142566³ (a number of 39 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

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, 4303990670 + ... + 4303991553.

It is an arithmetic number, because the mean of its divisors is an integer number (406727160084).

Almost surely, 2^{3804728142566} is an apocalyptic number.

3804728142566 is a deficient number, since it is larger than the sum of its proper divisors (2702906418778).

3804728142566 is a wasteful number, since it uses less digits than its factorization.

3804728142566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8607982255.

The product of its (nonzero) digits is 15482880, while the sum is 56.

The spelling of 3804728142566 in words is "three trillion, eight hundred four billion, seven hundred twenty-eight million, one hundred forty-two thousand, five hundred sixty-six".