16434117312220 has 24 divisors (see below), whose sum is σ = 34514954725104. Its totient is φ = 6573016759296.

The previous prime is 16434117312169. The next prime is 16434117312373. The reversal of 16434117312220 is 2221371143461.

It is a super-2 number, since 2×16434117312220² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16434117312220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39171474 + ... + 39588793.

It is an arithmetic number, because the mean of its divisors is an integer number (1438123113546).

Almost surely, 2^{16434117312220} is an apocalyptic number.

16434117312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16434117312220 is an abundant number, since it is smaller than the sum of its proper divisors (18080837412884).

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

16434117312220 is a wasteful number, since it uses less digits than its factorization.

16434117312220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78770709 (or 78770707 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

Adding to 16434117312220 its reverse (2221371143461), we get a palindrome (18655488455681).

The spelling of 16434117312220 in words is "sixteen trillion, four hundred thirty-four billion, one hundred seventeen million, three hundred twelve thousand, two hundred twenty".