618343667 has 4 divisors (see below), whose sum is σ = 635055696. Its totient is φ = 601631640.

The previous prime is 618343637. The next prime is 618343717. The reversal of 618343667 is 766343816.

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 618343667 - 2¹⁰ = 618342643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (618343637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8355959 + ... + 8356032.

It is an arithmetic number, because the mean of its divisors is an integer number (158763924).

Almost surely, 2^618343667 is an apocalyptic number.

618343667 is a deficient number, since it is larger than the sum of its proper divisors (16712029).

618343667 is a wasteful number, since it uses less digits than its factorization.

618343667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16712028.

The product of its digits is 435456, while the sum is 44.

The square root of 618343667 is about 24866.5169856979. The cubic root of 618343667 is about 851.9418887203.

The spelling of 618343667 in words is "six hundred eighteen million, three hundred forty-three thousand, six hundred sixty-seven".