216120003982 has 8 divisors (see below), whose sum is σ = 325525151952. Its totient is φ = 107611620000.

The previous prime is 216120003977. The next prime is 216120004019. The reversal of 216120003982 is 289300021612.

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

It is a super-2 number, since 2×216120003982² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 224190394 + ... + 224191357.

It is an arithmetic number, because the mean of its divisors is an integer number (40690643994).

Almost surely, 2^216120003982 is an apocalyptic number.

216120003982 is a deficient number, since it is larger than the sum of its proper divisors (109405147970).

216120003982 is a wasteful number, since it uses less digits than its factorization.

216120003982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448381994.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 216120003982 in words is "two hundred sixteen billion, one hundred twenty million, three thousand, nine hundred eighty-two".