16328094251 has 4 divisors (see below), whose sum is σ = 18660679152. Its totient is φ = 13995509352.

The previous prime is 16328094247. The next prime is 16328094253. The reversal of 16328094251 is 15249082361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15249082361 = 79 ⋅193026359.

It is a cyclic number.

It is not a de Polignac number, because 16328094251 - 2² = 16328094247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16328094199 and 16328094208.

It is not an unprimeable number, because it can be changed into a prime (16328094253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166292440 + ... + 1166292453.

It is an arithmetic number, because the mean of its divisors is an integer number (4665169788).

Almost surely, 2^16328094251 is an apocalyptic number.

16328094251 is a deficient number, since it is larger than the sum of its proper divisors (2332584901).

16328094251 is an equidigital number, since it uses as much as digits as its factorization.

16328094251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332584900.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 16328094251 in words is "sixteen billion, three hundred twenty-eight million, ninety-four thousand, two hundred fifty-one".