8649492016 has 120 divisors (see below), whose sum is σ = 19721554704. Its totient is φ = 3631288320.

The previous prime is 8649491993. The next prime is 8649492029. The reversal of 8649492016 is 6102949468.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43464685 + ... + 43464883.

Almost surely, 2^8649492016 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 8649492016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9860777352).

8649492016 is an abundant number, since it is smaller than the sum of its proper divisors (11072062688).

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

8649492016 is a wasteful number, since it uses less digits than its factorization.

8649492016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 8649492016 is about 93002.6452096928. The cubic root of 8649492016 is about 2052.7223016956.

The spelling of 8649492016 in words is "eight billion, six hundred forty-nine million, four hundred ninety-two thousand, sixteen".