16907020730 has 16 divisors (see below), whose sum is σ = 30443151240. Its totient is φ = 6760471872.

The previous prime is 16907020721. The next prime is 16907020769. The reversal of 16907020730 is 3702070961.

It is a Cunningham number, because it is equal to 130027²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 14662061569 + 2244959161 = 121087^2 + 47381^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261509 + ... + 319688.

Almost surely, 2^16907020730 is an apocalyptic number.

16907020730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16907020730 is a deficient number, since it is larger than the sum of its proper divisors (13536130510).

16907020730 is a wasteful number, since it uses less digits than its factorization.

16907020730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584113.

The product of its (nonzero) digits is 15876, while the sum is 35.

The spelling of 16907020730 in words is "sixteen billion, nine hundred seven million, twenty thousand, seven hundred thirty".