16703850645 has 16 divisors (see below), whose sum is σ = 29695734720. Its totient is φ = 8908720272.

The previous prime is 16703850643. The next prime is 16703850673. The reversal of 16703850645 is 54605830761.

16703850645 is a `hidden beast` number, since 1 + 6 + 70 + 38 + 506 + 45 = 666.

It is not a de Polignac number, because 16703850645 - 2¹ = 16703850643 is a prime.

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

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 16703850645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16703850643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61865979 + ... + 61866248.

It is an arithmetic number, because the mean of its divisors is an integer number (1855983420).

Almost surely, 2^16703850645 is an apocalyptic number.

16703850645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16703850645 is a deficient number, since it is larger than the sum of its proper divisors (12991884075).

16703850645 is a wasteful number, since it uses less digits than its factorization.

16703850645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123732241 (or 123732235 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 16703850645 in words is "sixteen billion, seven hundred three million, eight hundred fifty thousand, six hundred forty-five".