16012218408 has 16 divisors (see below), whose sum is σ = 40030546080. Its totient is φ = 5337406128.

The previous prime is 16012218373. The next prime is 16012218421. The reversal of 16012218408 is 80481221061.

It is a super-2 number, since 2×16012218408² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333587860 + ... + 333587907.

It is an arithmetic number, because the mean of its divisors is an integer number (2501909130).

Almost surely, 2^16012218408 is an apocalyptic number.

It is an amenable number.

16012218408 is an abundant number, since it is smaller than the sum of its proper divisors (24018327672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16012218408 is a wasteful number, since it uses less digits than its factorization.

16012218408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667175776 (or 667175772 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

Adding to 16012218408 its reverse (80481221061), we get a palindrome (96493439469).

The spelling of 16012218408 in words is "sixteen billion, twelve million, two hundred eighteen thousand, four hundred eight".