16745922986 has 32 divisors (see below), whose sum is σ = 27740134800. Its totient is φ = 7532421120.

The previous prime is 16745922943. The next prime is 16745923001. The reversal of 16745922986 is 68922954761.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 350400961 + 16395522025 = 18719^2 + 128045^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1067810 + ... + 1083378.

Almost surely, 2^16745922986 is an apocalyptic number.

16745922986 is a deficient number, since it is larger than the sum of its proper divisors (10994211814).

16745922986 is a wasteful number, since it uses less digits than its factorization.

16745922986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16634.

The product of its digits is 13063680, while the sum is 59.

The spelling of 16745922986 in words is "sixteen billion, seven hundred forty-five million, nine hundred twenty-two thousand, nine hundred eighty-six".