667170468 has 36 divisors (see below), whose sum is σ = 1740863488. Its totient is φ = 215215920.

The previous prime is 667170467. The next prime is 667170473. The reversal of 667170468 is 864071766.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (667170467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297796 + ... + 300027.

Almost surely, 2^667170468 is an apocalyptic number.

It is an amenable number.

667170468 is an abundant number, since it is smaller than the sum of its proper divisors (1073693020).

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

667170468 is a wasteful number, since it uses less digits than its factorization.

667170468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597864 (or 597859 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 667170468 is about 25829.6432031106. The cubic root of 667170468 is about 873.8004648289.

The spelling of 667170468 in words is "six hundred sixty-seven million, one hundred seventy thousand, four hundred sixty-eight".