1666000059 has 8 divisors (see below), whose sum is σ = 2224636752. Its totient is φ = 1109015040.

The previous prime is 1666000057. The next prime is 1666000069. The reversal of 1666000059 is 9500006661.

1666000059 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1666000059 - 2¹ = 1666000057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1665999993 and 1666000029.

It is not an unprimeable number, because it can be changed into a prime (1666000057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410562 + ... + 414599.

It is an arithmetic number, because the mean of its divisors is an integer number (278079594).

Almost surely, 2^1666000059 is an apocalyptic number.

1666000059 is a deficient number, since it is larger than the sum of its proper divisors (558636693).

1666000059 is an equidigital number, since it uses as much as digits as its factorization.

1666000059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825837.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 1666000059 is about 40816.6639866611. The cubic root of 1666000059 is about 1185.4730102614.

The spelling of 1666000059 in words is "one billion, six hundred sixty-six million, fifty-nine", and thus it is an aban number.