6466454016 has 320 divisors, whose sum is σ = 20364410880. Its totient is φ = 1801256960.

The previous prime is 6466454003. The next prime is 6466454039. The reversal of 6466454016 is 6104546646.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13499665 + ... + 13500143.

It is an arithmetic number, because the mean of its divisors is an integer number (63638784).

Almost surely, 2^6466454016 is an apocalyptic number.

6466454016 is a gapful number since it is divisible by the number (66) 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 6466454016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10182205440).

6466454016 is an abundant number, since it is smaller than the sum of its proper divisors (13897956864).

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

6466454016 is a wasteful number, since it uses less digits than its factorization.

6466454016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 6466454016 is about 80414.2650031697. The cubic root of 6466454016 is about 1863.0395071214.

The spelling of 6466454016 in words is "six billion, four hundred sixty-six million, four hundred fifty-four thousand, sixteen".