1670353353687 has 8 divisors (see below), whose sum is σ = 2231787363840. Its totient is φ = 1111244123000.

The previous prime is 1670353353673. The next prime is 1670353353701. The reversal of 1670353353687 is 7863533530761.

It is an interprime number because it is at equal distance from previous prime (1670353353673) and next prime (1670353353701).

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 1670353353687 - 2²² = 1670349159383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670353353607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581193189 + ... + 581196062.

It is an arithmetic number, because the mean of its divisors is an integer number (278973420480).

Almost surely, 2^{1670353353687} is an apocalyptic number.

1670353353687 is a deficient number, since it is larger than the sum of its proper divisors (561434010153).

1670353353687 is a wasteful number, since it uses less digits than its factorization.

1670353353687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162389733.

The product of its (nonzero) digits is 28576800, while the sum is 57.

The spelling of 1670353353687 in words is "one trillion, six hundred seventy billion, three hundred fifty-three million, three hundred fifty-three thousand, six hundred eighty-seven".