667054424 has 8 divisors (see below), whose sum is σ = 1250727060. Its totient is φ = 333527208.

The previous prime is 667054417. The next prime is 667054457. The reversal of 667054424 is 424450766.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41690894 + ... + 41690909.

Almost surely, 2^667054424 is an apocalyptic number.

It is an amenable number.

667054424 is a deficient number, since it is larger than the sum of its proper divisors (583672636).

667054424 is a wasteful number, since it uses less digits than its factorization.

667054424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83381809 (or 83381805 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 667054424 is about 25827.3967716454. The cubic root of 667054424 is about 873.7498005257.

The spelling of 667054424 in words is "six hundred sixty-seven million, fifty-four thousand, four hundred twenty-four".