545644616 has 16 divisors (see below), whose sum is σ = 1116091440. Its totient is φ = 248020240.

The previous prime is 545644607. The next prime is 545644621. The reversal of 545644616 is 616446545.

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, 3100166 + ... + 3100341.

It is an arithmetic number, because the mean of its divisors is an integer number (69755715).

Almost surely, 2^545644616 is an apocalyptic number.

It is an amenable number.

545644616 is an abundant number, since it is smaller than the sum of its proper divisors (570446824).

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

545644616 is a wasteful number, since it uses less digits than its factorization.

545644616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6200524 (or 6200520 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The square root of 545644616 is about 23359.0371376904. The cubic root of 545644616 is about 817.1528343514.

The spelling of 545644616 in words is "five hundred forty-five million, six hundred forty-four thousand, six hundred sixteen".