1681050748 has 24 divisors (see below), whose sum is σ = 3253763072. Its totient is φ = 754899264.

The previous prime is 1681050737. The next prime is 1681050751. The reversal of 1681050748 is 8470501861.

It is a self number, because there is not a number n which added to its sum of digits gives 1681050748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434940 + ... + 438787.

Almost surely, 2^1681050748 is an apocalyptic number.

It is an amenable number.

1681050748 is a deficient number, since it is larger than the sum of its proper divisors (1572712324).

1681050748 is a wasteful number, since it uses less digits than its factorization.

1681050748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873781 (or 873779 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 1681050748 is about 41000.6188733780. The cubic root of 1681050748 is about 1189.0321787459.

The spelling of 1681050748 in words is "one billion, six hundred eighty-one million, fifty thousand, seven hundred forty-eight".