66285193484 has 12 divisors (see below), whose sum is σ = 118187751024. Its totient is φ = 32517264624.

The previous prime is 66285193463. The next prime is 66285193523. The reversal of 66285193484 is 48439158266.

It is a super-2 number, since 2×66285193484² (a number of 22 digits) contains 22 as substring.

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, 156332792 + ... + 156333215.

It is an arithmetic number, because the mean of its divisors is an integer number (9848979252).

Almost surely, 2^66285193484 is an apocalyptic number.

It is an amenable number.

66285193484 is a deficient number, since it is larger than the sum of its proper divisors (51902557540).

66285193484 is a wasteful number, since it uses less digits than its factorization.

66285193484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312666064 (or 312666062 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 56.

The spelling of 66285193484 in words is "sixty-six billion, two hundred eighty-five million, one hundred ninety-three thousand, four hundred eighty-four".