16455121214 has 32 divisors (see below), whose sum is σ = 28823648256. Its totient is φ = 6898631040.

The previous prime is 16455121211. The next prime is 16455121223. The reversal of 16455121214 is 41212155461.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16455121211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1589174 + ... + 1599494.

It is an arithmetic number, because the mean of its divisors is an integer number (900739008).

Almost surely, 2^16455121214 is an apocalyptic number.

16455121214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16455121214 is a deficient number, since it is larger than the sum of its proper divisors (12368527042).

16455121214 is a wasteful number, since it uses less digits than its factorization.

16455121214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12800.

The product of its digits is 9600, while the sum is 32.

Adding to 16455121214 its reverse (41212155461), we get a palindrome (57667276675).

The spelling of 16455121214 in words is "sixteen billion, four hundred fifty-five million, one hundred twenty-one thousand, two hundred fourteen".