1681348914 has 40 divisors (see below), whose sum is σ = 4305679488. Its totient is φ = 480385080.

The previous prime is 1681348913. The next prime is 1681348927. The reversal of 1681348914 is 4198431861.

1681348914 is a `hidden beast` number, since 168 + 1 + 3 + 489 + 1 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1681348914.

It is not an unprimeable number, because it can be changed into a prime (1681348913) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 740202 + ... + 742469.

Almost surely, 2^1681348914 is an apocalyptic number.

1681348914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1681348914 is an abundant number, since it is smaller than the sum of its proper divisors (2624330574).

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

1681348914 is a wasteful number, since it uses less digits than its factorization.

1681348914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482692 (or 1482683 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 1681348914 is about 41004.2548280053. The cubic root of 1681348914 is about 1189.1024736711.

The spelling of 1681348914 in words is "one billion, six hundred eighty-one million, three hundred forty-eight thousand, nine hundred fourteen".