216002121190 has 8 divisors (see below), whose sum is σ = 388803818160. Its totient is φ = 86400848472.

The previous prime is 216002121157. The next prime is 216002121199. The reversal of 216002121190 is 91121200612.

It is a happy number.

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

It is a super-2 number, since 2×216002121190² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216002121199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10800106050 + ... + 10800106069.

It is an arithmetic number, because the mean of its divisors is an integer number (48600477270).

Almost surely, 2^216002121190 is an apocalyptic number.

216002121190 is a deficient number, since it is larger than the sum of its proper divisors (172801696970).

216002121190 is a wasteful number, since it uses less digits than its factorization.

216002121190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21600212126.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 216002121190 in words is "two hundred sixteen billion, two million, one hundred twenty-one thousand, one hundred ninety".