667122351160831 has 8 divisors (see below), whose sum is σ = 667167697014800. Its totient is φ = 667077006574080.

The previous prime is 667122351160829. The next prime is 667122351160843. The reversal of 667122351160831 is 138061153221766.

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 667122351160831 - 2¹ = 667122351160829 is a prime.

It is a super-2 number, since 2×667122351160831² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667122351161831) 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, 1204086751 + ... + 1204640671.

It is an arithmetic number, because the mean of its divisors is an integer number (83395962126850).

Almost surely, 2^{667122351160831} is an apocalyptic number.

667122351160831 is a deficient number, since it is larger than the sum of its proper divisors (45345853969).

667122351160831 is a wasteful number, since it uses less digits than its factorization.

667122351160831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633609.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 667122351160831 in words is "six hundred sixty-seven trillion, one hundred twenty-two billion, three hundred fifty-one million, one hundred sixty thousand, eight hundred thirty-one".