542216565156 has 96 divisors (see below), whose sum is σ = 1534316297472. Its totient is φ = 145486909440.

The previous prime is 542216565151. The next prime is 542216565167. The reversal of 542216565156 is 651565612245.

It is not an unprimeable number, because it can be changed into a prime (542216565151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237166 + ... + 1068026.

It is an arithmetic number, because the mean of its divisors is an integer number (15982461432).

Almost surely, 2^542216565156 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 542216565156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767158148736).

542216565156 is an abundant number, since it is smaller than the sum of its proper divisors (992099732316).

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

542216565156 is a wasteful number, since it uses less digits than its factorization.

542216565156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831349 (or 831347 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 48.

The spelling of 542216565156 in words is "five hundred forty-two billion, two hundred sixteen million, five hundred sixty-five thousand, one hundred fifty-six".