667422652448 has 24 divisors (see below), whose sum is σ = 1324018800720. Its totient is φ = 331163909440.

The previous prime is 667422652447. The next prime is 667422652483. The reversal of 667422652448 is 844256224766.

667422652448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 667422652393 and 667422652402.

It is not an unprimeable number, because it can be changed into a prime (667422652447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79602518 + ... + 79610901.

It is an arithmetic number, because the mean of its divisors is an integer number (55167450030).

Almost surely, 2^667422652448 is an apocalyptic number.

It is an amenable number.

667422652448 is a deficient number, since it is larger than the sum of its proper divisors (656596148272).

667422652448 is a wasteful number, since it uses less digits than its factorization.

667422652448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159213560 (or 159213552 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 56.

The spelling of 667422652448 in words is "six hundred sixty-seven billion, four hundred twenty-two million, six hundred fifty-two thousand, four hundred forty-eight".