546646464 has 168 divisors, whose sum is σ = 1928632160. Its totient is φ = 144156672.

The previous prime is 546646459. The next prime is 546646493. The reversal of 546646464 is 464646645.

546646464 is a `hidden beast` number, since 546 + 6 + 46 + 4 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 47202 + ... + 57630.

Almost surely, 2^546646464 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 546646464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (964316080).

546646464 is an abundant number, since it is smaller than the sum of its proper divisors (1381985696).

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

546646464 is a wasteful number, since it uses less digits than its factorization.

546646464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10467 (or 10454 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

The square root of 546646464 is about 23380.4718515260. The cubic root of 546646464 is about 817.6526483178.

The spelling of 546646464 in words is "five hundred forty-six million, six hundred forty-six thousand, four hundred sixty-four".