64201915848 has 32 divisors (see below), whose sum is σ = 183434045760. Its totient is φ = 18343404480.

The previous prime is 64201915801. The next prime is 64201915861. The reversal of 64201915848 is 84851910246.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 64201915797 and 64201915806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191076963 + ... + 191077298.

It is an arithmetic number, because the mean of its divisors is an integer number (5732313930).

Almost surely, 2^64201915848 is an apocalyptic number.

It is an amenable number.

64201915848 is an abundant number, since it is smaller than the sum of its proper divisors (119232129912).

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

64201915848 is a wasteful number, since it uses less digits than its factorization.

64201915848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382154277 (or 382154273 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 64201915848 in words is "sixty-four billion, two hundred one million, nine hundred fifteen thousand, eight hundred forty-eight".