66036164 has 6 divisors (see below), whose sum is σ = 115563294. Its totient is φ = 33018080.

The previous prime is 66036121. The next prime is 66036167. The reversal of 66036164 is 46163066.

It can be written as a sum of positive squares in only one way, i.e., 54760000 + 11276164 = 7400^2 + 3358^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66036164.

It is not an unprimeable number, because it can be changed into a prime (66036167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8254517 + ... + 8254524.

It is an arithmetic number, because the mean of its divisors is an integer number (19260549).

Almost surely, 2^66036164 is an apocalyptic number.

It is an amenable number.

66036164 is a deficient number, since it is larger than the sum of its proper divisors (49527130).

66036164 is a wasteful number, since it uses less digits than its factorization.

66036164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16509045 (or 16509043 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 66036164 is about 8126.2638401666. The cubic root of 66036164 is about 404.1978004051.

The spelling of 66036164 in words is "sixty-six million, thirty-six thousand, one hundred sixty-four".