667242131422 has 8 divisors (see below), whose sum is σ = 1000894684536. Its totient is φ = 333610569912.

The previous prime is 667242131401. The next prime is 667242131441. The reversal of 667242131422 is 224131242766.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5168193 + ... + 5295724.

It is an arithmetic number, because the mean of its divisors is an integer number (125111835567).

Almost surely, 2^667242131422 is an apocalyptic number.

667242131422 is a deficient number, since it is larger than the sum of its proper divisors (333652553114).

667242131422 is a wasteful number, since it uses less digits than its factorization.

667242131422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10495802.

The product of its digits is 193536, while the sum is 40.

The spelling of 667242131422 in words is "six hundred sixty-seven billion, two hundred forty-two million, one hundred thirty-one thousand, four hundred twenty-two".