1670772513 has 8 divisors (see below), whose sum is σ = 2230877376. Its totient is φ = 1112258000.

The previous prime is 1670772511. The next prime is 1670772557. The reversal of 1670772513 is 3152770761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1670772513 - 2¹ = 1670772511 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1670772511) by changing a digit.

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, 395133 + ... + 399338.

It is an arithmetic number, because the mean of its divisors is an integer number (278859672).

Almost surely, 2^1670772513 is an apocalyptic number.

It is an amenable number.

1670772513 is a deficient number, since it is larger than the sum of its proper divisors (560104863).

1670772513 is an equidigital number, since it uses as much as digits as its factorization.

1670772513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795175.

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 1670772513 is about 40875.0842567939. The cubic root of 1670772513 is about 1186.6039069177.

The spelling of 1670772513 in words is "one billion, six hundred seventy million, seven hundred seventy-two thousand, five hundred thirteen".