1670044456 has 8 divisors (see below), whose sum is σ = 3131333370. Its totient is φ = 835022224.

The previous prime is 1670044429. The next prime is 1670044459. The reversal of 1670044456 is 6544400761.

It can be written as a sum of positive squares in only one way, i.e., 1651121956 + 18922500 = 40634^2 + 4350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1670044459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104377771 + ... + 104377786.

Almost surely, 2^1670044456 is an apocalyptic number.

It is an amenable number.

1670044456 is a deficient number, since it is larger than the sum of its proper divisors (1461288914).

1670044456 is a wasteful number, since it uses less digits than its factorization.

1670044456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208755563 (or 208755559 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 1670044456 is about 40866.1774087080. The cubic root of 1670044456 is about 1186.4315234262.

The spelling of 1670044456 in words is "one billion, six hundred seventy million, forty-four thousand, four hundred fifty-six".