216027882542 has 4 divisors (see below), whose sum is σ = 324041823816. Its totient is φ = 108013941270.

The previous prime is 216027882529. The next prime is 216027882547. The reversal of 216027882542 is 245288720612.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216027882547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54006970634 + ... + 54006970637.

It is an arithmetic number, because the mean of its divisors is an integer number (81010455954).

Almost surely, 2^216027882542 is an apocalyptic number.

216027882542 is a deficient number, since it is larger than the sum of its proper divisors (108013941274).

216027882542 is a wasteful number, since it uses less digits than its factorization.

216027882542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108013941273.

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 216027882542 in words is "two hundred sixteen billion, twenty-seven million, eight hundred eighty-two thousand, five hundred forty-two".