667441461552 has 20 divisors (see below), whose sum is σ = 1724223775800. Its totient is φ = 222480487168.

The previous prime is 667441461551. The next prime is 667441461581. The reversal of 667441461552 is 255164144766.

667441461552 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 = 667441461495 and 667441461504.

It is not an unprimeable number, because it can be changed into a prime (667441461551) 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, 6952515177 + ... + 6952515272.

It is an arithmetic number, because the mean of its divisors is an integer number (86211188790).

Almost surely, 2^667441461552 is an apocalyptic number.

It is an amenable number.

667441461552 is an abundant number, since it is smaller than the sum of its proper divisors (1056782314248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667441461552 is a wasteful number, since it uses less digits than its factorization.

667441461552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13905030460 (or 13905030454 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 51.

The spelling of 667441461552 in words is "six hundred sixty-seven billion, four hundred forty-one million, four hundred sixty-one thousand, five hundred fifty-two".