667407401468 has 12 divisors (see below), whose sum is σ = 1168183484832. Its totient is φ = 333640691520.

The previous prime is 667407401431. The next prime is 667407401473. The reversal of 667407401468 is 864104704766.

It is a happy number.

667407401468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15728468 + ... + 15770843.

It is an arithmetic number, because the mean of its divisors is an integer number (97348623736).

Almost surely, 2^667407401468 is an apocalyptic number.

It is an amenable number.

667407401468 is a deficient number, since it is larger than the sum of its proper divisors (500776083364).

667407401468 is a wasteful number, since it uses less digits than its factorization.

667407401468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31504612 (or 31504610 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 667407401468 in words is "six hundred sixty-seven billion, four hundred seven million, four hundred one thousand, four hundred sixty-eight".