66067008 has 56 divisors (see below), whose sum is σ = 199778112. Its totient is φ = 18875904.

The previous prime is 66067003. The next prime is 66067019. The reversal of 66067008 is 80076066.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 66067008.

It is not an unprimeable number, because it can be changed into a prime (66067003) 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, 23235 + ... + 25922.

Almost surely, 2^66067008 is an apocalyptic number.

It is an amenable number.

66067008 is an abundant number, since it is smaller than the sum of its proper divisors (133711104).

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

66067008 is a wasteful number, since it uses less digits than its factorization.

66067008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49179 (or 49169 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 66067008 is about 8128.1614157200. The cubic root of 66067008 is about 404.2607211628.

The spelling of 66067008 in words is "sixty-six million, sixty-seven thousand, eight".