216161526440162 has 8 divisors (see below), whose sum is σ = 324724076125356. Its totient is φ = 107920167731712.

The previous prime is 216161526440129. The next prime is 216161526440201. The reversal of 216161526440162 is 261044625161612.

It can be written as a sum of positive squares in 2 ways, for example, as 170030411864041 + 46131114576121 = 13039571^2 + 6791989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80297742503 + ... + 80297745194.

Almost surely, 2^{216161526440162} is an apocalyptic number.

216161526440162 is a deficient number, since it is larger than the sum of its proper divisors (108562549685194).

216161526440162 is a wasteful number, since it uses less digits than its factorization.

216161526440162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160595488372.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 216161526440162 in words is "two hundred sixteen trillion, one hundred sixty-one billion, five hundred twenty-six million, four hundred forty thousand, one hundred sixty-two".