1681288822 has 16 divisors (see below), whose sum is σ = 2648355552. Its totient is φ = 798969600.

The previous prime is 1681288811. The next prime is 1681288837. The reversal of 1681288822 is 2288821861.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109179 + ... + 123622.

It is an arithmetic number, because the mean of its divisors is an integer number (165522222).

Almost surely, 2^1681288822 is an apocalyptic number.

1681288822 is a deficient number, since it is larger than the sum of its proper divisors (967066730).

1681288822 is a wasteful number, since it uses less digits than its factorization.

1681288822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232983.

The product of its digits is 196608, while the sum is 46.

The square root of 1681288822 is about 41003.5220682321. The cubic root of 1681288822 is about 1189.0883071892.

The spelling of 1681288822 in words is "one billion, six hundred eighty-one million, two hundred eighty-eight thousand, eight hundred twenty-two".