64680407148 has 24 divisors (see below), whose sum is σ = 172481085952. Its totient is φ = 18480116304.

The previous prime is 64680407147. The next prime is 64680407167. The reversal of 64680407148 is 84170408646.

It is a junction number, because it is equal to n+sod(n) for n = 64680407097 and 64680407106.

It is not an unprimeable number, because it can be changed into a prime (64680407147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385002340 + ... + 385002507.

Almost surely, 2^64680407148 is an apocalyptic number.

It is an amenable number.

64680407148 is an abundant number, since it is smaller than the sum of its proper divisors (107800678804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64680407148 is a wasteful number, since it uses less digits than its factorization.

64680407148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770004861 (or 770004859 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 64680407148 in words is "sixty-four billion, six hundred eighty million, four hundred seven thousand, one hundred forty-eight".