666479103 has 8 divisors (see below), whose sum is σ = 897437616. Its totient is φ = 439920000.

The previous prime is 666479071. The next prime is 666479111. The reversal of 666479103 is 301974666.

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

It is not a de Polignac number, because 666479103 - 2⁵ = 666479071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666479603) 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, 1099498 + ... + 1100103.

It is an arithmetic number, because the mean of its divisors is an integer number (112179702).

Almost surely, 2^666479103 is an apocalyptic number.

666479103 is a deficient number, since it is larger than the sum of its proper divisors (230958513).

666479103 is a wasteful number, since it uses less digits than its factorization.

666479103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199705.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 666479103 is about 25816.2565644208. The cubic root of 666479103 is about 873.4985310744.

The spelling of 666479103 in words is "six hundred sixty-six million, four hundred seventy-nine thousand, one hundred three".