546198156 has 72 divisors (see below), whose sum is σ = 1591952544. Its totient is φ = 154667520.

The previous prime is 546198127. The next prime is 546198157. The reversal of 546198156 is 651891645.

546198156 is a `hidden beast` number, since 546 + 1 + 98 + 15 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (546198157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18886 + ... + 38066.

It is an arithmetic number, because the mean of its divisors is an integer number (22110452).

Almost surely, 2^546198156 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 546198156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795976272).

546198156 is an abundant number, since it is smaller than the sum of its proper divisors (1045754388).

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

546198156 is a wasteful number, since it uses less digits than its factorization.

546198156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19311 (or 19306 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 546198156 is about 23370.8826534215. The cubic root of 546198156 is about 817.4290665946.

The spelling of 546198156 in words is "five hundred forty-six million, one hundred ninety-eight thousand, one hundred fifty-six".