8996501521 has 8 divisors (see below), whose sum is σ = 10292183424. Its totient is φ = 7703436480.

The previous prime is 8996501513. The next prime is 8996501611. The reversal of 8996501521 is 1251056998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8996501521 - 2³ = 8996501513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8996501021) 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, 646840 + ... + 660601.

It is an arithmetic number, because the mean of its divisors is an integer number (1286522928).

Almost surely, 2^8996501521 is an apocalyptic number.

It is an amenable number.

8996501521 is a deficient number, since it is larger than the sum of its proper divisors (1295681903).

8996501521 is a wasteful number, since it uses less digits than its factorization.

8996501521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308431.

The product of its (nonzero) digits is 194400, while the sum is 46.

The square root of 8996501521 is about 94849.8894095296. The cubic root of 8996501521 is about 2079.8142648038.

The spelling of 8996501521 in words is "eight billion, nine hundred ninety-six million, five hundred one thousand, five hundred twenty-one".