66881482 has 32 divisors (see below), whose sum is σ = 110289600. Its totient is φ = 30296448.

The previous prime is 66881473. The next prime is 66881489. The reversal of 66881482 is 28418866.

It is not an unprimeable number, because it can be changed into a prime (66881489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150753 + ... + 151195.

It is an arithmetic number, because the mean of its divisors is an integer number (3446550).

Almost surely, 2^66881482 is an apocalyptic number.

66881482 is a deficient number, since it is larger than the sum of its proper divisors (43408118).

66881482 is a wasteful number, since it uses less digits than its factorization.

66881482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630.

The product of its digits is 147456, while the sum is 43.

The square root of 66881482 is about 8178.1099283392. The cubic root of 66881482 is about 405.9151828451.

The spelling of 66881482 in words is "sixty-six million, eight hundred eighty-one thousand, four hundred eighty-two".