546497664 has 128 divisors (see below), whose sum is σ = 1551052800. Its totient is φ = 170075136.

The previous prime is 546497629. The next prime is 546497671. The reversal of 546497664 is 466794645.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379057 + ... + 380495.

It is an arithmetic number, because the mean of its divisors is an integer number (12117600).

Almost surely, 2^546497664 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 546497664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775526400).

546497664 is an abundant number, since it is smaller than the sum of its proper divisors (1004555136).

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

546497664 is a wasteful number, since it uses less digits than its factorization.

546497664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 1510 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 51.

The square root of 546497664 is about 23377.2894921546. The cubic root of 546497664 is about 817.5784518226.

The spelling of 546497664 in words is "five hundred forty-six million, four hundred ninety-seven thousand, six hundred sixty-four".