16103421032 has 8 divisors (see below), whose sum is σ = 30193914450. Its totient is φ = 8051710512.

The previous prime is 16103421017. The next prime is 16103421053. The reversal of 16103421032 is 23012430161.

It can be written as a sum of positive squares in only one way, i.e., 15970387876 + 133033156 = 126374^2 + 11534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 16103420989 and 16103421007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006463807 + ... + 1006463822.

Almost surely, 2^16103421032 is an apocalyptic number.

It is an amenable number.

16103421032 is a deficient number, since it is larger than the sum of its proper divisors (14090493418).

16103421032 is a wasteful number, since it uses less digits than its factorization.

16103421032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012927635 (or 2012927631 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 16103421032 its reverse (23012430161), we get a palindrome (39115851193).

The spelling of 16103421032 in words is "sixteen billion, one hundred three million, four hundred twenty-one thousand, thirty-two".