1647321163103 has 24 divisors (see below), whose sum is σ = 2134956351744. Its totient is φ = 1256315650800.

The previous prime is 1647321163099. The next prime is 1647321163139. The reversal of 1647321163103 is 3013611237461.

It is not a de Polignac number, because 1647321163103 - 2² = 1647321163099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1647321163303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32488013 + ... + 32538678.

It is an arithmetic number, because the mean of its divisors is an integer number (88956514656).

Almost surely, 2^{1647321163103} is an apocalyptic number.

1647321163103 is a deficient number, since it is larger than the sum of its proper divisors (487635188641).

1647321163103 is a wasteful number, since it uses less digits than its factorization.

1647321163103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65026763 (or 65026756 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 1647321163103 in words is "one trillion, six hundred forty-seven billion, three hundred twenty-one million, one hundred sixty-three thousand, one hundred three".