545564160 has 240 divisors, whose sum is σ = 1961655696. Its totient is φ = 145317888.

The previous prime is 545564147. The next prime is 545564197. The reversal of 545564160 is 61465545.

545564160 is a `hidden beast` number, since 5 + 4 + 5 + 5 + 641 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 621642 + ... + 622518.

Almost surely, 2^545564160 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 545564160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980827848).

545564160 is an abundant number, since it is smaller than the sum of its proper divisors (1416091536).

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

545564160 is an frugal number, since it uses more digits than its factorization.

545564160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 545564160 is about 23357.3149141762. The cubic root of 545564160 is about 817.1126689653.

The spelling of 545564160 in words is "five hundred forty-five million, five hundred sixty-four thousand, one hundred sixty".