66116830448 has 20 divisors (see below), whose sum is σ = 128108104128. Its totient is φ = 33056674560.

The previous prime is 66116830427. The next prime is 66116830471. The reversal of 66116830448 is 84403861166.

It is a super-3 number, since 3×66116830448³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

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, 238088 + ... + 434648.

Almost surely, 2^66116830448 is an apocalyptic number.

It is an amenable number.

66116830448 is a deficient number, since it is larger than the sum of its proper divisors (61991273680).

66116830448 is a wasteful number, since it uses less digits than its factorization.

66116830448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217592 (or 217586 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 66116830448 in words is "sixty-six billion, one hundred sixteen million, eight hundred thirty thousand, four hundred forty-eight".