16246354645 has 4 divisors (see below), whose sum is σ = 19495625580. Its totient is φ = 12997083712.

The previous prime is 16246354633. The next prime is 16246354693. The reversal of 16246354645 is 54645364261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9883739889 + 6362614756 = 99417^2 + 79766^2 .

It is a cyclic number.

It is not a de Polignac number, because 16246354645 - 2⁹ = 16246354133 is a prime.

It is a super-2 number, since 2×16246354645² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16246354595 and 16246354604.

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 3 ways as a sum of consecutive naturals, for example, 1624635460 + ... + 1624635469.

It is an arithmetic number, because the mean of its divisors is an integer number (4873906395).

Almost surely, 2^16246354645 is an apocalyptic number.

It is an amenable number.

16246354645 is a deficient number, since it is larger than the sum of its proper divisors (3249270935).

16246354645 is an equidigital number, since it uses as much as digits as its factorization.

16246354645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249270934.

The product of its digits is 2073600, while the sum is 46.

The spelling of 16246354645 in words is "sixteen billion, two hundred forty-six million, three hundred fifty-four thousand, six hundred forty-five".