66886060 has 12 divisors (see below), whose sum is σ = 140460768. Its totient is φ = 26754416.

The previous prime is 66886051. The next prime is 66886067. The reversal of 66886060 is 6068866.

It is not an unprimeable number, because it can be changed into a prime (66886067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1672132 + ... + 1672171.

It is an arithmetic number, because the mean of its divisors is an integer number (11705064).

Almost surely, 2^66886060 is an apocalyptic number.

It is an amenable number.

66886060 is an abundant number, since it is smaller than the sum of its proper divisors (73574708).

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

66886060 is a wasteful number, since it uses less digits than its factorization.

66886060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344312 (or 3344310 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 66886060 is about 8178.3898170728. The cubic root of 66886060 is about 405.9244441895.

The spelling of 66886060 in words is "sixty-six million, eight hundred eighty-six thousand, sixty".