545416466663220 has 192 divisors, whose sum is σ = 1677745416775680. Its totient is φ = 131774303181312.

The previous prime is 545416466663153. The next prime is 545416466663267. The reversal of 545416466663220 is 22366664614545.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140645179 + ... + 144471101.

It is an arithmetic number, because the mean of its divisors is an integer number (8738257379040).

Almost surely, 2^{545416466663220} 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 545416466663220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838872708387840).

545416466663220 is an abundant number, since it is smaller than the sum of its proper divisors (1132328950112460).

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

545416466663220 is a wasteful number, since it uses less digits than its factorization.

545416466663220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831414 (or 3831412 counting only the distinct ones).

The product of its (nonzero) digits is 149299200, while the sum is 60.

The spelling of 545416466663220 in words is "five hundred forty-five trillion, four hundred sixteen billion, four hundred sixty-six million, six hundred sixty-three thousand, two hundred twenty".