16605112705650 has 144 divisors (see below), whose sum is σ = 51436804333824. Its totient is φ = 3761866160640.

The previous prime is 16605112705639. The next prime is 16605112705661. The reversal of 16605112705650 is 5650721150661.

It is a happy number.

16605112705650 is a `hidden beast` number, since 1 + 6 + 6 + 0 + 5 + 1 + 12 + 70 + 565 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (16605112705639) and next prime (16605112705661).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 16605112705596 and 16605112705605.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 22969114 + ... + 23681013.

It is an arithmetic number, because the mean of its divisors is an integer number (357200030096).

Almost surely, 2^{16605112705650} is an apocalyptic number.

16605112705650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16605112705650 is an abundant number, since it is smaller than the sum of its proper divisors (34831691628174).

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

16605112705650 is a wasteful number, since it uses less digits than its factorization.

16605112705650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46650265 (or 46650257 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 16605112705650 in words is "sixteen trillion, six hundred five billion, one hundred twelve million, seven hundred five thousand, six hundred fifty".