66062641312 has 24 divisors (see below), whose sum is σ = 130260040596. Its totient is φ = 32980726272.

The previous prime is 66062641283. The next prime is 66062641349. The reversal of 66062641312 is 21314626066.

It can be written as a sum of positive squares in 2 ways, for example, as 55618618896 + 10444022416 = 235836^2 + 102196^2 .

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 3 ways as a sum of consecutive naturals, for example, 1559853 + ... + 1601644.

Almost surely, 2^66062641312 is an apocalyptic number.

It is an amenable number.

66062641312 is a deficient number, since it is larger than the sum of its proper divisors (64197399284).

66062641312 is a wasteful number, since it uses less digits than its factorization.

66062641312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162160 (or 3162152 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 66062641312 in words is "sixty-six billion, sixty-two million, six hundred forty-one thousand, three hundred twelve".