1670789044 has 12 divisors (see below), whose sum is σ = 2926364868. Its totient is φ = 834684800.

The previous prime is 1670789027. The next prime is 1670789077. The reversal of 1670789044 is 4409870761.

It can be written as a sum of positive squares in 2 ways, for example, as 612067600 + 1058721444 = 24740^2 + 32538^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1670788985 and 1670789003.

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 3 ways as a sum of consecutive naturals, for example, 172117 + ... + 181564.

It is an arithmetic number, because the mean of its divisors is an integer number (243863739).

Almost surely, 2^1670789044 is an apocalyptic number.

It is an amenable number.

1670789044 is a deficient number, since it is larger than the sum of its proper divisors (1255575824).

1670789044 is a wasteful number, since it uses less digits than its factorization.

1670789044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354866 (or 354864 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 1670789044 is about 40875.2864699442. The cubic root of 1670789044 is about 1186.6078204137.

The spelling of 1670789044 in words is "one billion, six hundred seventy million, seven hundred eighty-nine thousand, forty-four".