667906066152 has 192 divisors, whose sum is σ = 1990432080000. Its totient is φ = 201080765952.

The previous prime is 667906066133. The next prime is 667906066183. The reversal of 667906066152 is 251660609766.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9308349 + ... + 9379827.

It is an arithmetic number, because the mean of its divisors is an integer number (10366833750).

Almost surely, 2^667906066152 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 667906066152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (995216040000).

667906066152 is an abundant number, since it is smaller than the sum of its proper divisors (1322526013848).

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

667906066152 is a wasteful number, since it uses less digits than its factorization.

667906066152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71720 (or 71713 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 667906066152 in words is "six hundred sixty-seven billion, nine hundred six million, sixty-six thousand, one hundred fifty-two".