66159936 has 56 divisors (see below), whose sum is σ = 194503040. Its totient is φ = 22052736.

The previous prime is 66159913. The next prime is 66159943. The reversal of 66159936 is 63995166.

It is a super-3 number, since 3×66159936³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66159891 and 66159900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17416 + ... + 20871.

Almost surely, 2^66159936 is an apocalyptic number.

It is an amenable number.

66159936 is an abundant number, since it is smaller than the sum of its proper divisors (128343104).

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

66159936 is a wasteful number, since it uses less digits than its factorization.

66159936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38308 (or 38292 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 66159936 is about 8133.8758289022. The cubic root of 66159936 is about 404.4501729611.

The spelling of 66159936 in words is "sixty-six million, one hundred fifty-nine thousand, nine hundred thirty-six".