545068220416 has 68 divisors (see below), whose sum is σ = 1090930147200. Its totient is φ = 272333668352.

The previous prime is 545068220393. The next prime is 545068220447. The reversal of 545068220416 is 614022860545.

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, 133625865 + ... + 133629943.

It is an arithmetic number, because the mean of its divisors is an integer number (16043090400).

Almost surely, 2^545068220416 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 545068220416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545465073600).

545068220416 is an abundant number, since it is smaller than the sum of its proper divisors (545861926784).

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

545068220416 is an frugal number, since it uses more digits than its factorization.

545068220416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150 (or 6120 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 545068220416 in words is "five hundred forty-five billion, sixty-eight million, two hundred twenty thousand, four hundred sixteen".