16605651050 has 12 divisors (see below), whose sum is σ = 30886511046. Its totient is φ = 6642260400.

The previous prime is 16605651043. The next prime is 16605651059. The reversal of 16605651050 is 5015650661.

16605651050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 13401072169 + 3204578881 = 115763^2 + 56609^2 .

It is a super-2 number, since 2×16605651050² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16605651050.

It is not an unprimeable number, because it can be changed into a prime (16605651059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166056461 + ... + 166056560.

Almost surely, 2^16605651050 is an apocalyptic number.

16605651050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16605651050 is a deficient number, since it is larger than the sum of its proper divisors (14280859996).

16605651050 is a wasteful number, since it uses less digits than its factorization.

16605651050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332113033 (or 332113028 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 16605651050 in words is "sixteen billion, six hundred five million, six hundred fifty-one thousand, fifty".