66655036 has 12 divisors (see below), whose sum is σ = 133310128. Its totient is φ = 28566432.

The previous prime is 66654953. The next prime is 66655049. The reversal of 66655036 is 63055666.

It is a happy number.

66655036 is an admirable number.

It is a super-2 number, since 2×66655036² = 8885787648322592, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 66654986 and 66655004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190241 + ... + 1190296.

Almost surely, 2^66655036 is an apocalyptic number.

It is an amenable number.

66655036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66655036 is a wasteful number, since it uses less digits than its factorization.

66655036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380548 (or 2380546 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 66655036 is about 8164.2535482431. The cubic root of 66655036 is about 405.4565516455.

The spelling of 66655036 in words is "sixty-six million, six hundred fifty-five thousand, thirty-six".