666029093 has 4 divisors (see below), whose sum is σ = 666676128. Its totient is φ = 665382060.

The previous prime is 666029087. The next prime is 666029099. The reversal of 666029093 is 390920666.

666029093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (666029087) and next prime (666029099).

It is a cyclic number.

It is not a de Polignac number, because 666029093 - 2⁶ = 666029029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 666029093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666029099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321971 + ... + 324032.

It is an arithmetic number, because the mean of its divisors is an integer number (166669032).

Almost surely, 2^666029093 is an apocalyptic number.

It is an amenable number.

666029093 is a deficient number, since it is larger than the sum of its proper divisors (647035).

666029093 is a wasteful number, since it uses less digits than its factorization.

666029093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647034.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 666029093 is about 25807.5394603980. The cubic root of 666029093 is about 873.3018899614.

It can be divided in two parts, 6660 and 29093, that added together give a palindrome (35753).

The spelling of 666029093 in words is "six hundred sixty-six million, twenty-nine thousand, ninety-three".