1696840861601 has 8 divisors (see below), whose sum is σ = 1704002313600. Its totient is φ = 1689679924240.

The previous prime is 1696840861571. The next prime is 1696840861637. The reversal of 1696840861601 is 1061680486961.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1696840861601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1696840861501) 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, 7408286 + ... + 7633896.

It is an arithmetic number, because the mean of its divisors is an integer number (213000289200).

Almost surely, 2^{1696840861601} is an apocalyptic number.

It is an amenable number.

1696840861601 is a deficient number, since it is larger than the sum of its proper divisors (7161451999).

1696840861601 is a wasteful number, since it uses less digits than its factorization.

1696840861601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257319.

The product of its (nonzero) digits is 2985984, while the sum is 56.

The spelling of 1696840861601 in words is "one trillion, six hundred ninety-six billion, eight hundred forty million, eight hundred sixty-one thousand, six hundred one".