66875482836 has 18 divisors (see below), whose sum is σ = 169046359482. Its totient is φ = 22291827600.

The previous prime is 66875482823. The next prime is 66875482837. The reversal of 66875482836 is 63828457866.

66875482836 is a `hidden beast` number, since 6 + 6 + 8 + 7 + 548 + 2 + 83 + 6 = 666.

66875482836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 54321624900 + 12553857936 = 233070^2 + 112044^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×66875482836³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66875482837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 928826115 + ... + 928826186.

Almost surely, 2^66875482836 is an apocalyptic number.

It is an amenable number.

66875482836 is an abundant number, since it is smaller than the sum of its proper divisors (102170876646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66875482836 is a wasteful number, since it uses less digits than its factorization.

66875482836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857652311 (or 1857652306 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 63.

The spelling of 66875482836 in words is "sixty-six billion, eight hundred seventy-five million, four hundred eighty-two thousand, eight hundred thirty-six".