667462255516 has 18 divisors (see below), whose sum is σ = 1358762449128. Its totient is φ = 286055252280.

The previous prime is 667462255511. The next prime is 667462255517. The reversal of 667462255516 is 615552264766.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667462255511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1702709640 + ... + 1702710031.

Almost surely, 2^667462255516 is an apocalyptic number.

It is an amenable number.

667462255516 is an abundant number, since it is smaller than the sum of its proper divisors (691300193612).

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

667462255516 is a wasteful number, since it uses less digits than its factorization.

667462255516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405419689 (or 3405419680 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 55.

The spelling of 667462255516 in words is "six hundred sixty-seven billion, four hundred sixty-two million, two hundred fifty-five thousand, five hundred sixteen".