16430454122420 has 96 divisors (see below), whose sum is σ = 38775897683712. Its totient is φ = 5802529886208.

The previous prime is 16430454122371. The next prime is 16430454122429. The reversal of 16430454122420 is 2422145403461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16430454122429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119309924 + ... + 119447556.

It is an arithmetic number, because the mean of its divisors is an integer number (403915600872).

Almost surely, 2^{16430454122420} is an apocalyptic number.

16430454122420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16430454122420 is an abundant number, since it is smaller than the sum of its proper divisors (22345443561292).

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

16430454122420 is a wasteful number, since it uses less digits than its factorization.

16430454122420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157641 (or 157639 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 16430454122420 its reverse (2422145403461), we get a palindrome (18852599525881).

The spelling of 16430454122420 in words is "sixteen trillion, four hundred thirty billion, four hundred fifty-four million, one hundred twenty-two thousand, four hundred twenty".