667233474321 has 8 divisors (see below), whose sum is σ = 890578156320. Its totient is φ = 444355554272.

The previous prime is 667233474293. The next prime is 667233474329. The reversal of 667233474321 is 123474332766.

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

It is a cyclic number.

It is not a de Polignac number, because 667233474321 - 2²³ = 667225085713 is a prime.

It is a super-2 number, since 2×667233474321² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (667233474329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116687151 + ... + 116692868.

It is an arithmetic number, because the mean of its divisors is an integer number (111322269540).

Almost surely, 2^667233474321 is an apocalyptic number.

It is an amenable number.

667233474321 is a deficient number, since it is larger than the sum of its proper divisors (223344681999).

667233474321 is a wasteful number, since it uses less digits than its factorization.

667233474321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233380975.

The product of its digits is 3048192, while the sum is 48.

The spelling of 667233474321 in words is "six hundred sixty-seven billion, two hundred thirty-three million, four hundred seventy-four thousand, three hundred twenty-one".