16504097147 has 4 divisors (see below), whose sum is σ = 16504395600. Its totient is φ = 16503798696.

The previous prime is 16504097111. The next prime is 16504097173. The reversal of 16504097147 is 74179040561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74179040561 = 673 ⋅110221457.

It is a cyclic number.

It is not a de Polignac number, because 16504097147 - 2⁸ = 16504096891 is a prime.

It is a super-2 number, since 2×16504097147² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16504097098 and 16504097107.

It is not an unprimeable number, because it can be changed into a prime (16504097747) 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, 39272 + ... + 185877.

It is an arithmetic number, because the mean of its divisors is an integer number (4126098900).

Almost surely, 2^16504097147 is an apocalyptic number.

16504097147 is a deficient number, since it is larger than the sum of its proper divisors (298453).

16504097147 is an equidigital number, since it uses as much as digits as its factorization.

16504097147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298452.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 16504097147 in words is "sixteen billion, five hundred four million, ninety-seven thousand, one hundred forty-seven".