66667334148 has 30 divisors (see below), whose sum is σ = 174281581166. Its totient is φ = 22222444608.

The previous prime is 66667334141. The next prime is 66667334179. The reversal of 66667334148 is 84143376666.

It can be written as a sum of positive squares in only one way, i.e., 39948816384 + 26718517764 = 199872^2 + 163458^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 66667334094 and 66667334103.

It is not an unprimeable number, because it can be changed into a prime (66667334141) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 102881365 + ... + 102882012.

Almost surely, 2^66667334148 is an apocalyptic number.

It is an amenable number.

66667334148 is an abundant number, since it is smaller than the sum of its proper divisors (107614247018).

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

66667334148 is a wasteful number, since it uses less digits than its factorization.

66667334148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205763393 (or 205763382 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The spelling of 66667334148 in words is "sixty-six billion, six hundred sixty-seven million, three hundred thirty-four thousand, one hundred forty-eight".