16823992454 has 8 divisors (see below), whose sum is σ = 26050052928. Its totient is φ = 8140641480.

The previous prime is 16823992417. The next prime is 16823992481. The reversal of 16823992454 is 45429932861.

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 = 16823992396 and 16823992405.

It is a congruent number.

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, 135677297 + ... + 135677420.

It is an arithmetic number, because the mean of its divisors is an integer number (3256256616).

Almost surely, 2^16823992454 is an apocalyptic number.

16823992454 is a deficient number, since it is larger than the sum of its proper divisors (9226060474).

16823992454 is a wasteful number, since it uses less digits than its factorization.

16823992454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271354750.

The product of its digits is 3732480, while the sum is 53.

The spelling of 16823992454 in words is "sixteen billion, eight hundred twenty-three million, nine hundred ninety-two thousand, four hundred fifty-four".