67148667148660 has 48 divisors (see below), whose sum is σ = 149311583998416. Its totient is φ = 25278728251392.

The previous prime is 67148667148571. The next prime is 67148667148679. The reversal of 67148667148660 is 6684176684176.

It is a happy number.

67148667148660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 10322006732944 + 56826660415716 = 3212788^2 + 7538346^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 67148667148660.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8233234 + ... + 14215606.

It is an arithmetic number, because the mean of its divisors is an integer number (3110657999967).

Almost surely, 2^{67148667148660} is an apocalyptic number.

It is an amenable number.

67148667148660 is an abundant number, since it is smaller than the sum of its proper divisors (82162916849756).

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

67148667148660 is a wasteful number, since it uses less digits than its factorization.

67148667148660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6015412 (or 6015410 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 70.

The spelling of 67148667148660 in words is "sixty-seven trillion, one hundred forty-eight billion, six hundred sixty-seven million, one hundred forty-eight thousand, six hundred sixty".