66241013576 has 16 divisors (see below), whose sum is σ = 125108485740. Its totient is φ = 32878750720.

The previous prime is 66241013567. The next prime is 66241013593. The reversal of 66241013576 is 67531014266.

66241013576 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 2 ways, for example, as 62487000676 + 3754012900 = 249974^2 + 61270^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30218345 + ... + 30220536.

Almost surely, 2^66241013576 is an apocalyptic number.

It is an amenable number.

66241013576 is a deficient number, since it is larger than the sum of its proper divisors (58867472164).

66241013576 is a wasteful number, since it uses less digits than its factorization.

66241013576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60439024 (or 60439020 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 66241013576 in words is "sixty-six billion, two hundred forty-one million, thirteen thousand, five hundred seventy-six".