8616649464 has 24 divisors (see below), whose sum is σ = 23336759160. Its totient is φ = 2872216464.

The previous prime is 8616649453. The next prime is 8616649507. The reversal of 8616649464 is 4649466168.

It is a happy number.

8616649464 is a `hidden beast` number, since 86 + 1 + 66 + 49 + 464 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 8616649464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59837772 + ... + 59837915.

It is an arithmetic number, because the mean of its divisors is an integer number (972364965).

Almost surely, 2^8616649464 is an apocalyptic number.

It is an amenable number.

8616649464 is an abundant number, since it is smaller than the sum of its proper divisors (14720109696).

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

8616649464 is a wasteful number, since it uses less digits than its factorization.

8616649464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119675699 (or 119675692 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The square root of 8616649464 is about 92825.9094434307. The cubic root of 8616649464 is about 2050.1209101003.

The spelling of 8616649464 in words is "eight billion, six hundred sixteen million, six hundred forty-nine thousand, four hundred sixty-four".