65856860162 has 32 divisors (see below), whose sum is σ = 101663780400. Its totient is φ = 31976755200.

The previous prime is 65856860161. The next prime is 65856860183. The reversal of 65856860162 is 26106865856.

It can be written as a sum of positive squares in 8 ways, for example, as 34965634081 + 30891226081 = 186991^2 + 175759^2 .

It is a super-3 number, since 3×65856860162³ (a number of 33 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (65856860161) 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 15 ways as a sum of consecutive naturals, for example, 17471414 + ... + 17475182.

Almost surely, 2^65856860162 is an apocalyptic number.

65856860162 is a deficient number, since it is larger than the sum of its proper divisors (35806920238).

65856860162 is a wasteful number, since it uses less digits than its factorization.

65856860162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742.

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 65856860162 in words is "sixty-five billion, eight hundred fifty-six million, eight hundred sixty thousand, one hundred sixty-two".