545504166 has 16 divisors (see below), whose sum is σ = 1212231600. Its totient is φ = 181834704.

The previous prime is 545504081. The next prime is 545504189. The reversal of 545504166 is 661405545.

545504166 is a `hidden beast` number, since 5 + 4 + 550 + 41 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 545504166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5050911 + ... + 5051018.

It is an arithmetic number, because the mean of its divisors is an integer number (75764475).

Almost surely, 2^545504166 is an apocalyptic number.

545504166 is an abundant number, since it is smaller than the sum of its proper divisors (666727434).

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

545504166 is a wasteful number, since it uses less digits than its factorization.

545504166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101940 (or 10101934 counting only the distinct ones).

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

The square root of 545504166 is about 23356.0306130986. The cubic root of 545504166 is about 817.0827160846.

The spelling of 545504166 in words is "five hundred forty-five million, five hundred four thousand, one hundred sixty-six".