1146778466 has 16 divisors (see below), whose sum is σ = 1737354528. Its totient is φ = 567672000.

The previous prime is 1146778463. The next prime is 1146778519. The reversal of 1146778466 is 6648776411.

It is not an unprimeable number, because it can be changed into a prime (1146778463) 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, 244241 + ... + 248891.

It is an arithmetic number, because the mean of its divisors is an integer number (108584658).

Almost surely, 2^1146778466 is an apocalyptic number.

1146778466 is a deficient number, since it is larger than the sum of its proper divisors (590576062).

1146778466 is a wasteful number, since it uses less digits than its factorization.

1146778466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5857.

The product of its digits is 1354752, while the sum is 50.

The square root of 1146778466 is about 33864.1176763842. The cubic root of 1146778466 is about 1046.7103287983.

The spelling of 1146778466 in words is "one billion, one hundred forty-six million, seven hundred seventy-eight thousand, four hundred sixty-six".