16121612284 has 12 divisors (see below), whose sum is σ = 28224627984. Its totient is φ = 8057432864.

The previous prime is 16121612237. The next prime is 16121612321. The reversal of 16121612284 is 48221612161.

It is a congruent number.

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, 832552 + ... + 851695.

It is an arithmetic number, because the mean of its divisors is an integer number (2352052332).

Almost surely, 2^16121612284 is an apocalyptic number.

It is an amenable number.

16121612284 is a deficient number, since it is larger than the sum of its proper divisors (12103015700).

16121612284 is a wasteful number, since it uses less digits than its factorization.

16121612284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686644 (or 1686642 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The spelling of 16121612284 in words is "sixteen billion, one hundred twenty-one million, six hundred twelve thousand, two hundred eighty-four".