248320066 has 8 divisors (see below), whose sum is σ = 372964284. Its totient is φ = 123998640.

The previous prime is 248320049. The next prime is 248320091. The reversal of 248320066 is 660023842.

It can be written as a sum of positive squares in 2 ways, for example, as 218300625 + 30019441 = 14775^2 + 5479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78765 + ... + 81856.

Almost surely, 2^248320066 is an apocalyptic number.

248320066 is a deficient number, since it is larger than the sum of its proper divisors (124644218).

248320066 is a wasteful number, since it uses less digits than its factorization.

248320066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161396.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 248320066 is about 15758.1745770251. The cubic root of 248320066 is about 628.5462963141.

The spelling of 248320066 in words is "two hundred forty-eight million, three hundred twenty thousand, sixty-six".