66212148006 has 40 divisors (see below), whose sum is σ = 148393325520. Its totient is φ = 22066391952.

The previous prime is 66212147987. The next prime is 66212148007. The reversal of 66212148006 is 60084121266.

66212148006 is a `hidden beast` number, since 6 + 621 + 21 + 4 + 8 + 0 + 0 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66212148007) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 850300 + ... + 924896.

It is an arithmetic number, because the mean of its divisors is an integer number (3709833138).

Almost surely, 2^66212148006 is an apocalyptic number.

66212148006 is an abundant number, since it is smaller than the sum of its proper divisors (82181177514).

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

66212148006 is a wasteful number, since it uses less digits than its factorization.

66212148006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80090 (or 80081 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 66212148006 in words is "sixty-six billion, two hundred twelve million, one hundred forty-eight thousand, six".