1687003368357 has 8 divisors (see below), whose sum is σ = 2249630318880. Its totient is φ = 1124522665040.

The previous prime is 1687003368331. The next prime is 1687003368367. The reversal of 1687003368357 is 7538633007861.

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 1687003368357 - 2²² = 1686999174053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1687003368297 and 1687003368306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1687003368367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36534882 + ... + 36581027.

It is an arithmetic number, because the mean of its divisors is an integer number (281203789860).

Almost surely, 2^{1687003368357} is an apocalyptic number.

It is an amenable number.

1687003368357 is a deficient number, since it is larger than the sum of its proper divisors (562626950523).

1687003368357 is an equidigital number, since it uses as much as digits as its factorization.

1687003368357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73123603.

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 1687003368357 in words is "one trillion, six hundred eighty-seven billion, three million, three hundred sixty-eight thousand, three hundred fifty-seven".