545221202016 has 48 divisors (see below), whose sum is σ = 1480557582000. Its totient is φ = 175473489408.

The previous prime is 545221201937. The next prime is 545221202017. The reversal of 545221202016 is 610202122545.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545221202017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97917691 + ... + 97923258.

It is an arithmetic number, because the mean of its divisors is an integer number (30844949625).

Almost surely, 2^545221202016 is an apocalyptic number.

It is an amenable number.

545221202016 is an abundant number, since it is smaller than the sum of its proper divisors (935336379984).

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

545221202016 is a wasteful number, since it uses less digits than its factorization.

545221202016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195840991 (or 195840983 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 545221202016 in words is "five hundred forty-five billion, two hundred twenty-one million, two hundred two thousand, sixteen".