1694789016 has 16 divisors (see below), whose sum is σ = 4236972600. Its totient is φ = 564929664.

The previous prime is 1694789009. The next prime is 1694789071. The reversal of 1694789016 is 6109874961.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1694789016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35308081 + ... + 35308128.

Almost surely, 2^1694789016 is an apocalyptic number.

It is an amenable number.

1694789016 is an abundant number, since it is smaller than the sum of its proper divisors (2542183584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1694789016 is a wasteful number, since it uses less digits than its factorization.

1694789016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70616218 (or 70616214 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 1694789016 is about 41167.8152930174. The cubic root of 1694789016 is about 1192.2624885503.

The spelling of 1694789016 in words is "one billion, six hundred ninety-four million, seven hundred eighty-nine thousand, sixteen".