16966696827 has 16 divisors (see below), whose sum is σ = 23217909120. Its totient is φ = 11017102272.

The previous prime is 16966696811. The next prime is 16966696837. The reversal of 16966696827 is 72869666961.

It is not a de Polignac number, because 16966696827 - 2⁴ = 16966696811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16966696807) 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, 456333 + ... + 492110.

It is an arithmetic number, because the mean of its divisors is an integer number (1451119320).

Almost surely, 2^16966696827 is an apocalyptic number.

16966696827 is a deficient number, since it is larger than the sum of its proper divisors (6251212293).

16966696827 is an equidigital number, since it uses as much as digits as its factorization.

16966696827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948602.

The product of its digits is 70543872, while the sum is 66.

The spelling of 16966696827 in words is "sixteen billion, nine hundred sixty-six million, six hundred ninety-six thousand, eight hundred twenty-seven".