16016281644 has 36 divisors (see below), whose sum is σ = 41077574552. Its totient is φ = 4853418240.

The previous prime is 16016281639. The next prime is 16016281661. The reversal of 16016281644 is 44618261061.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5513797 + ... + 5516700.

Almost surely, 2^16016281644 is an apocalyptic number.

It is an amenable number.

16016281644 is an abundant number, since it is smaller than the sum of its proper divisors (25061292908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16016281644 is a wasteful number, since it uses less digits than its factorization.

16016281644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11030526 (or 11030513 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 16016281644 in words is "sixteen billion, sixteen million, two hundred eighty-one thousand, six hundred forty-four".