66063948 has 24 divisors (see below), whose sum is σ = 154544880. Its totient is φ = 21964800.

The previous prime is 66063941. The next prime is 66063967. The reversal of 66063948 is 84936066.

It is not an unprimeable number, because it can be changed into a prime (66063941) 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, 2053 + ... + 11676.

It is an arithmetic number, because the mean of its divisors is an integer number (6439370).

Almost surely, 2^66063948 is an apocalyptic number.

It is an amenable number.

66063948 is an abundant number, since it is smaller than the sum of its proper divisors (88480932).

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

66063948 is a wasteful number, since it uses less digits than its factorization.

66063948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14137 (or 14135 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 66063948 is about 8127.9731790896. The cubic root of 66063948 is about 404.2544797374.

The spelling of 66063948 in words is "sixty-six million, sixty-three thousand, nine hundred forty-eight".