666460103 has 8 divisors (see below), whose sum is σ = 692912640. Its totient is φ = 640317240.

The previous prime is 666460097. The next prime is 666460127. The reversal of 666460103 is 301064666.

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

It is a cyclic number.

It is not a de Polignac number, because 666460103 - 2⁴ = 666460087 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 666460103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666460153) 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, 73025 + ... + 81642.

It is an arithmetic number, because the mean of its divisors is an integer number (86614080).

Almost surely, 2^666460103 is an apocalyptic number.

666460103 is a deficient number, since it is larger than the sum of its proper divisors (26452537).

666460103 is a wasteful number, since it uses less digits than its factorization.

666460103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154837.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 666460103 is about 25815.8885766111. Note that the first 3 decimals coincide. The cubic root of 666460103 is about 873.4902304241.

The spelling of 666460103 in words is "six hundred sixty-six million, four hundred sixty thousand, one hundred three".