8654165520 has 960 divisors, whose sum is σ = 38584387584. Its totient is φ = 1552711680.

The previous prime is 8654165519. The next prime is 8654165539. The reversal of 8654165520 is 255614568.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 53092959 + ... + 53093121.

Almost surely, 2^8654165520 is an apocalyptic number.

8654165520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8654165520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19292193792).

8654165520 is an abundant number, since it is smaller than the sum of its proper divisors (29930222064).

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

8654165520 is a wasteful number, since it uses less digits than its factorization.

8654165520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The square root of 8654165520 is about 93027.7674675685. The cubic root of 8654165520 is about 2053.0919449281.

The spelling of 8654165520 in words is "eight billion, six hundred fifty-four million, one hundred sixty-five thousand, five hundred twenty".