16453545251 has 16 divisors (see below), whose sum is σ = 20467103328. Its totient is φ = 12994982400.

The previous prime is 16453545247. The next prime is 16453545293. The reversal of 16453545251 is 15254535461.

It is a cyclic number.

It is not a de Polignac number, because 16453545251 - 2² = 16453545247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16453545199 and 16453545208.

It is not an unprimeable number, because it can be changed into a prime (16453545551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3381680 + ... + 3386541.

It is an arithmetic number, because the mean of its divisors is an integer number (1279193958).

Almost surely, 2^16453545251 is an apocalyptic number.

16453545251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16453545251 is a deficient number, since it is larger than the sum of its proper divisors (4013558077).

16453545251 is a wasteful number, since it uses less digits than its factorization.

16453545251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6768262.

The product of its digits is 360000, while the sum is 41.

The spelling of 16453545251 in words is "sixteen billion, four hundred fifty-three million, five hundred forty-five thousand, two hundred fifty-one".