1681101382 has 16 divisors (see below), whose sum is σ = 2570605632. Its totient is φ = 824249920.

The previous prime is 1681101353. The next prime is 1681101397. The reversal of 1681101382 is 2831011861.

It is a super-2 number, since 2×1681101382² = 5652203713124619848, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 291507 + ... + 297217.

It is an arithmetic number, because the mean of its divisors is an integer number (160662852).

Almost surely, 2^1681101382 is an apocalyptic number.

1681101382 is a deficient number, since it is larger than the sum of its proper divisors (889504250).

1681101382 is a wasteful number, since it uses less digits than its factorization.

1681101382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8543.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1681101382 is about 41001.2363472128. The cubic root of 1681101382 is about 1189.0441166863.

The spelling of 1681101382 in words is "one billion, six hundred eighty-one million, one hundred one thousand, three hundred eighty-two".