16458422450 has 18 divisors (see below), whose sum is σ = 30614353149. Its totient is φ = 6583006120.

The previous prime is 16458422437. The next prime is 16458422509. The reversal of 16458422450 is 5422485461.

It can be written as a sum of positive squares in 2 ways, for example, as 16129254001 + 329168449 = 127001^2 + 18143^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=90715.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16458422398 and 16458422407.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 898079 + ... + 916221.

Almost surely, 2^16458422450 is an apocalyptic number.

16458422450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16458422450 is a deficient number, since it is larger than the sum of its proper divisors (14155930699).

16458422450 is an frugal number, since it uses more digits than its factorization.

16458422450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36298 (or 18150 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 41.

The spelling of 16458422450 in words is "sixteen billion, four hundred fifty-eight million, four hundred twenty-two thousand, four hundred fifty".