248118866 has 4 divisors (see below), whose sum is σ = 372178302. Its totient is φ = 124059432.

The previous prime is 248118841. The next prime is 248118887. The reversal of 248118866 is 668811842.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 234978241 + 13140625 = 15329^2 + 3625^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62029715 + ... + 62029718.

Almost surely, 2^248118866 is an apocalyptic number.

248118866 is a deficient number, since it is larger than the sum of its proper divisors (124059436).

248118866 is a wasteful number, since it uses less digits than its factorization.

248118866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124059435.

The product of its digits is 147456, while the sum is 44.

The square root of 248118866 is about 15751.7892951880. The cubic root of 248118866 is about 628.3764916910.

The spelling of 248118866 in words is "two hundred forty-eight million, one hundred eighteen thousand, eight hundred sixty-six".