66045611144 has 16 divisors (see below), whose sum is σ = 123838949520. Its totient is φ = 33021891280.

The previous prime is 66045611131. The next prime is 66045611173. The reversal of 66045611144 is 44111654066.

It is a junction number, because it is equal to n+sod(n) for n = 66045611098 and 66045611107.

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, 267899 + ... + 451509.

It is an arithmetic number, because the mean of its divisors is an integer number (7739934345).

Almost surely, 2^66045611144 is an apocalyptic number.

It is an amenable number.

66045611144 is a deficient number, since it is larger than the sum of its proper divisors (57793338376).

66045611144 is a wasteful number, since it uses less digits than its factorization.

66045611144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228580 (or 228576 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 66045611144 in words is "sixty-six billion, forty-five million, six hundred eleven thousand, one hundred forty-four".