168353487835417 has 16 divisors (see below), whose sum is σ = 174819042550080. Its totient is φ = 162041433368832.

The previous prime is 168353487835409. The next prime is 168353487835433. The reversal of 168353487835417 is 714538784353861.

It is a cyclic number.

It is not a de Polignac number, because 168353487835417 - 2³ = 168353487835409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (73).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168353487835417.

It is not an unprimeable number, because it can be changed into a prime (168353487835517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142068123 + ... + 143248240.

It is an arithmetic number, because the mean of its divisors is an integer number (10926190159380).

Almost surely, 2^{168353487835417} is an apocalyptic number.

It is an amenable number.

168353487835417 is a deficient number, since it is larger than the sum of its proper divisors (6465554714663).

168353487835417 is a wasteful number, since it uses less digits than its factorization.

168353487835417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285316632.

The product of its digits is 1625702400, while the sum is 73.

The spelling of 168353487835417 in words is "one hundred sixty-eight trillion, three hundred fifty-three billion, four hundred eighty-seven million, eight hundred thirty-five thousand, four hundred seventeen".