8649454164 has 48 divisors (see below), whose sum is σ = 21740712000. Its totient is φ = 2660613120.

The previous prime is 8649454141. The next prime is 8649454169. The reversal of 8649454164 is 4614549468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8649454169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818587 + ... + 829085.

It is an arithmetic number, because the mean of its divisors is an integer number (452931500).

Almost surely, 2^8649454164 is an apocalyptic number.

It is an amenable number.

8649454164 is an abundant number, since it is smaller than the sum of its proper divisors (13091257836).

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

8649454164 is a wasteful number, since it uses less digits than its factorization.

8649454164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15800 (or 15798 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The square root of 8649454164 is about 93002.4417098820. The cubic root of 8649454164 is about 2052.7193073094.

The spelling of 8649454164 in words is "eight billion, six hundred forty-nine million, four hundred fifty-four thousand, one hundred sixty-four".