16204233454 has 4 divisors (see below), whose sum is σ = 24306350184. Its totient is φ = 8102116726.

The previous prime is 16204233439. The next prime is 16204233457. The reversal of 16204233454 is 45433240261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45433240261 = 49843 ⋅911527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16204233457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4051058362 + ... + 4051058365.

It is an arithmetic number, because the mean of its divisors is an integer number (6076587546).

Almost surely, 2^16204233454 is an apocalyptic number.

16204233454 is a deficient number, since it is larger than the sum of its proper divisors (8102116730).

16204233454 is an equidigital number, since it uses as much as digits as its factorization.

16204233454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8102116729.

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 16204233454 in words is "sixteen billion, two hundred four million, two hundred thirty-three thousand, four hundred fifty-four".