1646014121103 has 16 divisors (see below), whose sum is σ = 2471434693632. Its totient is φ = 965404176000.

The previous prime is 1646014120999. The next prime is 1646014121113. The reversal of 1646014121103 is 3011214106461.

It is not a de Polignac number, because 1646014121103 - 2⁹ = 1646014120591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1646014121113) by changing a digit.

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, 804502458 + ... + 804504503.

It is an arithmetic number, because the mean of its divisors is an integer number (154464668352).

Almost surely, 2^{1646014121103} is an apocalyptic number.

1646014121103 is a deficient number, since it is larger than the sum of its proper divisors (825420572529).

1646014121103 is a wasteful number, since it uses less digits than its factorization.

1646014121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609007006.

The product of its (nonzero) digits is 3456, while the sum is 30.

Adding to 1646014121103 its reverse (3011214106461), we get a palindrome (4657228227564).

The spelling of 1646014121103 in words is "one trillion, six hundred forty-six billion, fourteen million, one hundred twenty-one thousand, one hundred three".