66741168 has 40 divisors (see below), whose sum is σ = 185679088. Its totient is φ = 20535552.

The previous prime is 66741163. The next prime is 66741173. The reversal of 66741168 is 86114766.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (66741163) and next prime (66741173).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (66741161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52855 + ... + 54102.

Almost surely, 2^66741168 is an apocalyptic number.

It is an amenable number.

66741168 is an abundant number, since it is smaller than the sum of its proper divisors (118937920).

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

66741168 is a wasteful number, since it uses less digits than its factorization.

66741168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106981 (or 106975 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 66741168 is about 8169.5267916814. The cubic root of 66741168 is about 405.6311208610.

The spelling of 66741168 in words is "sixty-six million, seven hundred forty-one thousand, one hundred sixty-eight".