666379203 has 16 divisors (see below), whose sum is σ = 1025296896. Its totient is φ = 377089920.

The previous prime is 666379187. The next prime is 666379279. The reversal of 666379203 is 302973666.

666379203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 666379203 - 2⁴ = 666379187 is a prime.

It is a super-2 number, since 2×666379203² = 888122484381830418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (666179203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151878 + ... + 156203.

It is an arithmetic number, because the mean of its divisors is an integer number (64081056).

Almost surely, 2^666379203 is an apocalyptic number.

666379203 is a deficient number, since it is larger than the sum of its proper divisors (358917693).

666379203 is a wasteful number, since it uses less digits than its factorization.

666379203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308194.

The product of its (nonzero) digits is 244944, while the sum is 42.

The square root of 666379203 is about 25814.3216645334. The cubic root of 666379203 is about 873.4548853631.

The spelling of 666379203 in words is "six hundred sixty-six million, three hundred seventy-nine thousand, two hundred three".