8531346648 has 32 divisors (see below), whose sum is σ = 23267309760. Its totient is φ = 2585256480.

The previous prime is 8531346641. The next prime is 8531346653. The reversal of 8531346648 is 8466431358.

It is a junction number, because it is equal to n+sod(n) for n = 8531346597 and 8531346606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8531346641) 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, 16157590 + ... + 16158117.

It is an arithmetic number, because the mean of its divisors is an integer number (727103430).

Almost surely, 2^8531346648 is an apocalyptic number.

8531346648 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8531346648 is an abundant number, since it is smaller than the sum of its proper divisors (14735963112).

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

8531346648 is a wasteful number, since it uses less digits than its factorization.

8531346648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32315727 (or 32315723 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 48.

The square root of 8531346648 is about 92365.2891945887. The cubic root of 8531346648 is about 2043.3332224378. Note that the first 3 decimals are identical.

The spelling of 8531346648 in words is "eight billion, five hundred thirty-one million, three hundred forty-six thousand, six hundred forty-eight".