667111414 has 8 divisors (see below), whose sum is σ = 1000868040. Its totient is φ = 333488736.

The previous prime is 667111411. The next prime is 667111427. The reversal of 667111414 is 414111766.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667111411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19939 + ... + 41614.

It is an arithmetic number, because the mean of its divisors is an integer number (125108505).

Almost surely, 2^667111414 is an apocalyptic number.

667111414 is a deficient number, since it is larger than the sum of its proper divisors (333756626).

667111414 is a wasteful number, since it uses less digits than its factorization.

667111414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66974.

The product of its digits is 4032, while the sum is 31.

The square root of 667111414 is about 25828.5000338773. The cubic root of 667111414 is about 873.7746828448.

The spelling of 667111414 in words is "six hundred sixty-seven million, one hundred eleven thousand, four hundred fourteen".