667464323867 has 8 divisors (see below), whose sum is σ = 728160703920. Its totient is φ = 606770911360.

The previous prime is 667464323861. The next prime is 667464323881. The reversal of 667464323867 is 768323464766.

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 667464323867 - 2¹⁰ = 667464322843 is a prime.

It is a super-3 number, since 3×667464323867³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667464323861) 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, 257858 + ... + 1183815.

It is an arithmetic number, because the mean of its divisors is an integer number (91020087990).

Almost surely, 2^667464323867 is an apocalyptic number.

667464323867 is a deficient number, since it is larger than the sum of its proper divisors (60696380053).

667464323867 is a wasteful number, since it uses less digits than its factorization.

667464323867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483773.

The product of its digits is 146313216, while the sum is 62.

The spelling of 667464323867 in words is "six hundred sixty-seven billion, four hundred sixty-four million, three hundred twenty-three thousand, eight hundred sixty-seven".