66348264 has 32 divisors (see below), whose sum is σ = 166573440. Its totient is φ = 22022400.

The previous prime is 66348253. The next prime is 66348283. The reversal of 66348264 is 46284366.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49 + ... + 11519.

It is an arithmetic number, because the mean of its divisors is an integer number (5205420).

Almost surely, 2^66348264 is an apocalyptic number.

It is an amenable number.

66348264 is an abundant number, since it is smaller than the sum of its proper divisors (100225176).

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

66348264 is a wasteful number, since it uses less digits than its factorization.

66348264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11721 (or 11717 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 66348264 is about 8145.4443709352. Note that the first 3 decimals coincide. The cubic root of 66348264 is about 404.8335728325.

The spelling of 66348264 in words is "sixty-six million, three hundred forty-eight thousand, two hundred sixty-four".