3216354232645 has 16 divisors (see below), whose sum is σ = 3911779795392. Its totient is φ = 2538403309440.

The previous prime is 3216354232501. The next prime is 3216354232681. The reversal of 3216354232645 is 5462324536123.

3216354232645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3216354232645 - 2¹⁷ = 3216354101573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3216354232595 and 3216354232604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5321232 + ... + 5894761.

It is an arithmetic number, because the mean of its divisors is an integer number (244486237212).

Almost surely, 2^{3216354232645} is an apocalyptic number.

It is an amenable number.

3216354232645 is a deficient number, since it is larger than the sum of its proper divisors (695425562747).

3216354232645 is a wasteful number, since it uses less digits than its factorization.

3216354232645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11216772.

The product of its digits is 3110400, while the sum is 46.

Adding to 3216354232645 its reverse (5462324536123), we get a palindrome (8678678768768).

The spelling of 3216354232645 in words is "three trillion, two hundred sixteen billion, three hundred fifty-four million, two hundred thirty-two thousand, six hundred forty-five".