8321497152 has 224 divisors, whose sum is σ = 24017264640. Its totient is φ = 2535075840.

The previous prime is 8321497141. The next prime is 8321497159. The reversal of 8321497152 is 2517941238.

It is a super-2 number, since 2×8321497152² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8321497159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12183403 + ... + 12184085.

Almost surely, 2^8321497152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8321497152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12008632320).

8321497152 is an abundant number, since it is smaller than the sum of its proper divisors (15695767488).

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

8321497152 is a wasteful number, since it uses less digits than its factorization.

8321497152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 831 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 8321497152 is about 91222.2404460667. The cubic root of 8321497152 is about 2026.4403431093.

The spelling of 8321497152 in words is "eight billion, three hundred twenty-one million, four hundred ninety-seven thousand, one hundred fifty-two".