16507005652 has 12 divisors (see below), whose sum is σ = 29185067380. Its totient is φ = 8168414976.

The previous prime is 16507005637. The next prime is 16507005703. The reversal of 16507005652 is 25650070561.

It can be written as a sum of positive squares in 2 ways, for example, as 5600127556 + 10906878096 = 74834^2 + 104436^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21271527 + ... + 21272302.

Almost surely, 2^16507005652 is an apocalyptic number.

It is an amenable number.

16507005652 is a deficient number, since it is larger than the sum of its proper divisors (12678061728).

16507005652 is a wasteful number, since it uses less digits than its factorization.

16507005652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42543930 (or 42543928 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 16507005652 in words is "sixteen billion, five hundred seven million, five thousand, six hundred fifty-two".