16200454 has 4 divisors (see below), whose sum is σ = 24300684. Its totient is φ = 8100226.

The previous prime is 16200433. The next prime is 16200461. The reversal of 16200454 is 45400261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45400261 = 47 ⋅965963.

It is a super-2 number, since 2×16200454² = 524909419612232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4050112 + ... + 4050115.

It is an arithmetic number, because the mean of its divisors is an integer number (6075171).

Almost surely, 2^16200454 is an apocalyptic number.

16200454 is a deficient number, since it is larger than the sum of its proper divisors (8100230).

16200454 is an equidigital number, since it uses as much as digits as its factorization.

16200454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8100229.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 16200454 is about 4024.9787577079. The cubic root of 16200454 is about 253.0321632625.

The spelling of 16200454 in words is "sixteen million, two hundred thousand, four hundred fifty-four".