16454936458 has 8 divisors (see below), whose sum is σ = 25533522180. Its totient is φ = 7943762400.

The previous prime is 16454936419. The next prime is 16454936461. The reversal of 16454936458 is 85463945461.

It can be written as a sum of positive squares in 2 ways, for example, as 16374529369 + 80407089 = 127963^2 + 8967^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 16454936399 and 16454936408.

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, 141852843 + ... + 141852958.

Almost surely, 2^16454936458 is an apocalyptic number.

16454936458 is a deficient number, since it is larger than the sum of its proper divisors (9078585722).

16454936458 is a wasteful number, since it uses less digits than its factorization.

16454936458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283705832.

The product of its digits is 12441600, while the sum is 55.

The spelling of 16454936458 in words is "sixteen billion, four hundred fifty-four million, nine hundred thirty-six thousand, four hundred fifty-eight".