1694072916 has 54 divisors (see below), whose sum is σ = 4548981710. Its totient is φ = 531470592.

The previous prime is 1694072879. The next prime is 1694072923. The reversal of 1694072916 is 6192704961.

It can be written as a sum of positive squares in 3 ways, for example, as 1190250000 + 503822916 = 34500^2 + 22446^2 .

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 17 ways as a sum of consecutive naturals, for example, 71011 + ... + 91818.

Almost surely, 2^1694072916 is an apocalyptic number.

It is an amenable number.

1694072916 is an abundant number, since it is smaller than the sum of its proper divisors (2854908794).

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

1694072916 is a wasteful number, since it uses less digits than its factorization.

1694072916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162873 (or 162851 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1694072916 is about 41159.1170459231. The cubic root of 1694072916 is about 1192.0945424840.

The spelling of 1694072916 in words is "one billion, six hundred ninety-four million, seventy-two thousand, nine hundred sixteen".