1148778466 has 8 divisors (see below), whose sum is σ = 1879819344. Its totient is φ = 522172020.

The previous prime is 1148778409. The next prime is 1148778473. The reversal of 1148778466 is 6648778411.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26108580 + ... + 26108623.

It is an arithmetic number, because the mean of its divisors is an integer number (234977418).

Almost surely, 2^1148778466 is an apocalyptic number.

1148778466 is a deficient number, since it is larger than the sum of its proper divisors (731040878).

1148778466 is a wasteful number, since it uses less digits than its factorization.

1148778466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52217216.

The product of its digits is 1806336, while the sum is 52.

The square root of 1148778466 is about 33893.6345941240. The cubic root of 1148778466 is about 1047.3184685890.

Subtracting 1148778466 from its reverse (6648778411), we obtain a palindrome (5499999945).

The spelling of 1148778466 in words is "one billion, one hundred forty-eight million, seven hundred seventy-eight thousand, four hundred sixty-six".