667014768 has 60 divisors (see below), whose sum is σ = 2133391728. Its totient is φ = 190575360.

The previous prime is 667014763. The next prime is 667014769. The reversal of 667014768 is 867410766.

667014768 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 not an unprimeable number, because it can be changed into a prime (667014763) 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, 329853 + ... + 331868.

Almost surely, 2^667014768 is an apocalyptic number.

It is an amenable number.

667014768 is an abundant number, since it is smaller than the sum of its proper divisors (1466376960).

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

667014768 is a wasteful number, since it uses less digits than its factorization.

667014768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661742 (or 661733 counting only the distinct ones).

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

The square root of 667014768 is about 25826.6290483292. The cubic root of 667014768 is about 873.7324855423.

The spelling of 667014768 in words is "six hundred sixty-seven million, fourteen thousand, seven hundred sixty-eight".