16015566650 has 12 divisors (see below), whose sum is σ = 29788954062. Its totient is φ = 6406226640.

The previous prime is 16015566629. The next prime is 16015566691. The reversal of 16015566650 is 5666551061.

It can be written as a sum of positive squares in 3 ways, for example, as 9032791681 + 6982774969 = 95041^2 + 83563^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16015566598 and 16015566607.

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 5 ways as a sum of consecutive naturals, for example, 160155617 + ... + 160155716.

Almost surely, 2^16015566650 is an apocalyptic number.

16015566650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16015566650 is a deficient number, since it is larger than the sum of its proper divisors (13773387412).

16015566650 is a wasteful number, since it uses less digits than its factorization.

16015566650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320311345 (or 320311340 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 16015566650 in words is "sixteen billion, fifteen million, five hundred sixty-six thousand, six hundred fifty".