667256103 has 32 divisors (see below), whose sum is σ = 1049296320. Its totient is φ = 417623040.

The previous prime is 667256087. The next prime is 667256111. The reversal of 667256103 is 301652766.

667256103 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 667256103 - 2⁴ = 667256087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667256143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208173 + ... + 211353.

It is an arithmetic number, because the mean of its divisors is an integer number (32790510).

Almost surely, 2^667256103 is an apocalyptic number.

667256103 is a deficient number, since it is larger than the sum of its proper divisors (382040217).

667256103 is a wasteful number, since it uses less digits than its factorization.

667256103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664 (or 3658 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 667256103 is about 25831.3008383240. The cubic root of 667256103 is about 873.8378489284.

The spelling of 667256103 in words is "six hundred sixty-seven million, two hundred fifty-six thousand, one hundred three".