65670728048 has 20 divisors (see below), whose sum is σ = 127509506280. Its totient is φ = 32765049024.

The previous prime is 65670728023. The next prime is 65670728083. The reversal of 65670728048 is 84082707656.

65670728048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×65670728048³ (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, 4386983 + ... + 4401926.

It is an arithmetic number, because the mean of its divisors is an integer number (6375475314).

Almost surely, 2^65670728048 is an apocalyptic number.

It is an amenable number.

65670728048 is a deficient number, since it is larger than the sum of its proper divisors (61838778232).

65670728048 is a wasteful number, since it uses less digits than its factorization.

65670728048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8789384 (or 8789378 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 65670728048 in words is "sixty-five billion, six hundred seventy million, seven hundred twenty-eight thousand, forty-eight".