1681886703 has 32 divisors (see below), whose sum is σ = 2582778880. Its totient is φ = 953648640.

The previous prime is 1681886629. The next prime is 1681886711. The reversal of 1681886703 is 3076881861.

It is not a de Polignac number, because 1681886703 - 2⁸ = 1681886447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1681886203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2221401 + ... + 2222157.

It is an arithmetic number, because the mean of its divisors is an integer number (80711840).

Almost surely, 2^1681886703 is an apocalyptic number.

1681886703 is a deficient number, since it is larger than the sum of its proper divisors (900892177).

1681886703 is a wasteful number, since it uses less digits than its factorization.

1681886703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 1681886703 is about 41010.8120256110. The cubic root of 1681886703 is about 1189.2292405498.

The spelling of 1681886703 in words is "one billion, six hundred eighty-one million, eight hundred eighty-six thousand, seven hundred three".