667676136192 has 432 divisors, whose sum is σ = 1961447892768. Its totient is φ = 201507471360.

The previous prime is 667676136181. The next prime is 667676136227. The reversal of 667676136192 is 291631676766.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2278757998 + ... + 2278758290.

Almost surely, 2^667676136192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 667676136192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980723946384).

667676136192 is an abundant number, since it is smaller than the sum of its proper divisors (1293771756576).

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

667676136192 is a wasteful number, since it uses less digits than its factorization.

667676136192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 589 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 60.

The spelling of 667676136192 in words is "six hundred sixty-seven billion, six hundred seventy-six million, one hundred thirty-six thousand, one hundred ninety-two".