545147664 has 20 divisors (see below), whose sum is σ = 1408298256. Its totient is φ = 181715872.

The previous prime is 545147651. The next prime is 545147683. The reversal of 545147664 is 466741545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5678574 + ... + 5678669.

Almost surely, 2^545147664 is an apocalyptic number.

It is an amenable number.

545147664 is an abundant number, since it is smaller than the sum of its proper divisors (863150592).

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

545147664 is a wasteful number, since it uses less digits than its factorization.

545147664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11357254 (or 11357248 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 545147664 is about 23348.3974610679. The cubic root of 545147664 is about 816.9046819409.

The spelling of 545147664 in words is "five hundred forty-five million, one hundred forty-seven thousand, six hundred sixty-four".