667423415356 has 12 divisors (see below), whose sum is σ = 1168215756568. Its totient is φ = 333647484912.

The previous prime is 667423415311. The next prime is 667423415357. The reversal of 667423415356 is 653514324766.

It is a happy number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667423415357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16032306 + ... + 16073881.

Almost surely, 2^667423415356 is an apocalyptic number.

It is an amenable number.

667423415356 is a deficient number, since it is larger than the sum of its proper divisors (500792341212).

667423415356 is a wasteful number, since it uses less digits than its factorization.

667423415356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32111388 (or 32111386 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 52.

The spelling of 667423415356 in words is "six hundred sixty-seven billion, four hundred twenty-three million, four hundred fifteen thousand, three hundred fifty-six".