667422464552 has 32 divisors (see below), whose sum is σ = 1336194636480. Its totient is φ = 311778741120.

The previous prime is 667422464479. The next prime is 667422464557. The reversal of 667422464552 is 255464224766.

667422464552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 667422464494 and 667422464503.

It is not an unprimeable number, because it can be changed into a prime (667422464557) 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, 42169949 + ... + 42185772.

It is an arithmetic number, because the mean of its divisors is an integer number (41756082390).

Almost surely, 2^667422464552 is an apocalyptic number.

It is an amenable number.

667422464552 is an abundant number, since it is smaller than the sum of its proper divisors (668772171928).

667422464552 is a wasteful number, since it uses less digits than its factorization.

667422464552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84355793 (or 84355789 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 53.

The spelling of 667422464552 in words is "six hundred sixty-seven billion, four hundred twenty-two million, four hundred sixty-four thousand, five hundred fifty-two".