162078216212 has 24 divisors (see below), whose sum is σ = 309481572960. Its totient is φ = 73657744160.

The previous prime is 162078216199. The next prime is 162078216233. The reversal of 162078216212 is 212612870261.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 121262 + ... + 582117.

It is an arithmetic number, because the mean of its divisors is an integer number (12895065540).

Almost surely, 2^162078216212 is an apocalyptic number.

It is an amenable number.

162078216212 is a deficient number, since it is larger than the sum of its proper divisors (147403356748).

162078216212 is a wasteful number, since it uses less digits than its factorization.

162078216212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708631 (or 708629 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 162078216212 in words is "one hundred sixty-two billion, seventy-eight million, two hundred sixteen thousand, two hundred twelve".