16236633412 has 12 divisors (see below), whose sum is σ = 28428975036. Its totient is φ = 8114069120.

The previous prime is 16236633403. The next prime is 16236633431. The reversal of 16236633412 is 21433663261.

It can be written as a sum of positive squares in 2 ways, for example, as 14719998276 + 1516635136 = 121326^2 + 38944^2 .

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, 1053289 + ... + 1068592.

It is an arithmetic number, because the mean of its divisors is an integer number (2369081253).

Almost surely, 2^16236633412 is an apocalyptic number.

It is an amenable number.

16236633412 is a deficient number, since it is larger than the sum of its proper divisors (12192341624).

16236633412 is a wasteful number, since it uses less digits than its factorization.

16236633412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123798 (or 2123796 counting only the distinct ones).

The product of its digits is 93312, while the sum is 37.

The spelling of 16236633412 in words is "sixteen billion, two hundred thirty-six million, six hundred thirty-three thousand, four hundred twelve".