16200451 has 4 divisors (see below), whose sum is σ = 16405600. Its totient is φ = 15995304.

The previous prime is 16200433. The next prime is 16200461. The reversal of 16200451 is 15400261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15400261 = 719 ⋅21419.

It is a cyclic number.

It is not a de Polignac number, because 16200451 - 2⁵ = 16200419 is a prime.

It is a super-2 number, since 2×16200451² = 524909225206802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16200461) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 102456 + ... + 102613.

It is an arithmetic number, because the mean of its divisors is an integer number (4101400).

Almost surely, 2^16200451 is an apocalyptic number.

16200451 is a deficient number, since it is larger than the sum of its proper divisors (205149).

16200451 is an equidigital number, since it uses as much as digits as its factorization.

16200451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205148.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 16200451 is about 4024.9783850351. The cubic root of 16200451 is about 253.0321476436.

The spelling of 16200451 in words is "sixteen million, two hundred thousand, four hundred fifty-one".