16147643045 has 8 divisors (see below), whose sum is σ = 19900879224. Its totient is φ = 12568976064.

The previous prime is 16147643009. The next prime is 16147643053. The reversal of 16147643045 is 54034674161.

It can be written as a sum of positive squares in 4 ways, for example, as 10273646881 + 5873996164 = 101359^2 + 76642^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16147643045 - 2⁶ = 16147642981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16147642993 and 16147643011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43642094 + ... + 43642463.

It is an arithmetic number, because the mean of its divisors is an integer number (2487609903).

Almost surely, 2^16147643045 is an apocalyptic number.

It is an amenable number.

16147643045 is a deficient number, since it is larger than the sum of its proper divisors (3753236179).

16147643045 is an equidigital number, since it uses as much as digits as its factorization.

16147643045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87284599.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 16147643045 in words is "sixteen billion, one hundred forty-seven million, six hundred forty-three thousand, forty-five".