667420567233 has 32 divisors (see below), whose sum is σ = 1056245057280. Its totient is φ = 366906101760.

The previous prime is 667420567189. The next prime is 667420567279. The reversal of 667420567233 is 332765024766.

It is not a de Polignac number, because 667420567233 - 2⁸ = 667420566977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (667420567133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4756528 + ... + 4894833.

It is an arithmetic number, because the mean of its divisors is an integer number (33007658040).

Almost surely, 2^667420567233 is an apocalyptic number.

It is an amenable number.

667420567233 is a deficient number, since it is larger than the sum of its proper divisors (388824490047).

667420567233 is a wasteful number, since it uses less digits than its factorization.

667420567233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9651497.

The product of its (nonzero) digits is 7620480, while the sum is 51.

The spelling of 667420567233 in words is "six hundred sixty-seven billion, four hundred twenty million, five hundred sixty-seven thousand, two hundred thirty-three".