68162384165770 has 8 divisors (see below), whose sum is σ = 122692291498404. Its totient is φ = 27264953666304.

The previous prime is 68162384165737. The next prime is 68162384165831. The reversal of 68162384165770 is 7756148326186.

It can be written as a sum of positive squares in 2 ways, for example, as 55004012427961 + 13158371737809 = 7416469^2 + 3627447^2 .

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

It is a super-2 number, since 2×68162384165770² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3408119208279 + ... + 3408119208298.

Almost surely, 2^{68162384165770} is an apocalyptic number.

68162384165770 is a deficient number, since it is larger than the sum of its proper divisors (54529907332634).

68162384165770 is a wasteful number, since it uses less digits than its factorization.

68162384165770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816238416584.

The product of its (nonzero) digits is 81285120, while the sum is 64.

The spelling of 68162384165770 in words is "sixty-eight trillion, one hundred sixty-two billion, three hundred eighty-four million, one hundred sixty-five thousand, seven hundred seventy".