16975065778 has 16 divisors (see below), whose sum is σ = 27779744160. Its totient is φ = 7715282400.

The previous prime is 16975065739. The next prime is 16975065791. The reversal of 16975065778 is 87756057961.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312118 + ... + 362446.

It is an arithmetic number, because the mean of its divisors is an integer number (1736234010).

Almost surely, 2^16975065778 is an apocalyptic number.

16975065778 is a deficient number, since it is larger than the sum of its proper divisors (10804678382).

16975065778 is a wasteful number, since it uses less digits than its factorization.

16975065778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65673.

The product of its (nonzero) digits is 22226400, while the sum is 61.

The spelling of 16975065778 in words is "sixteen billion, nine hundred seventy-five million, sixty-five thousand, seven hundred seventy-eight".