216312062642 has 8 divisors (see below), whose sum is σ = 349427178156. Its totient is φ = 99836336592.

The previous prime is 216312062641. The next prime is 216312062653. The reversal of 216312062642 is 246260213612.

It can be written as a sum of positive squares in 2 ways, for example, as 215677576921 + 634485721 = 464411^2 + 25189^2 .

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

It is not an unprimeable number, because it can be changed into a prime (216312062641) 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 in 3 ways as a sum of consecutive naturals, for example, 4159847333 + ... + 4159847384.

Almost surely, 2^216312062642 is an apocalyptic number.

216312062642 is a deficient number, since it is larger than the sum of its proper divisors (133115115514).

216312062642 is a wasteful number, since it uses less digits than its factorization.

216312062642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8319694732.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 216312062642 in words is "two hundred sixteen billion, three hundred twelve million, sixty-two thousand, six hundred forty-two".