667377203241103 has 4 divisors (see below), whose sum is σ = 685414424950360. Its totient is φ = 649339981531848.

The previous prime is 667377203241061. The next prime is 667377203241107. The reversal of 667377203241103 is 301142302773766.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 667377203241103 - 2²⁵ = 667377169686671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667377203241107) 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, 9018610854573 + ... + 9018610854646.

It is an arithmetic number, because the mean of its divisors is an integer number (171353606237590).

Almost surely, 2^{667377203241103} is an apocalyptic number.

667377203241103 is a deficient number, since it is larger than the sum of its proper divisors (18037221709257).

667377203241103 is a wasteful number, since it uses less digits than its factorization.

667377203241103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18037221709256.

The product of its (nonzero) digits is 5334336, while the sum is 52.

The spelling of 667377203241103 in words is "six hundred sixty-seven trillion, three hundred seventy-seven billion, two hundred three million, two hundred forty-one thousand, one hundred three".