1146208646 has 64 divisors (see below), whose sum is σ = 2044652544. Its totient is φ = 476044800.

The previous prime is 1146208643. The next prime is 1146208667. The reversal of 1146208646 is 6468026411.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146208643) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3462701 + ... + 3463031.

It is an arithmetic number, because the mean of its divisors is an integer number (31947696).

Almost surely, 2^1146208646 is an apocalyptic number.

1146208646 is a deficient number, since it is larger than the sum of its proper divisors (898443898).

1146208646 is a wasteful number, since it uses less digits than its factorization.

1146208646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 1146208646 is about 33855.7033009211. The cubic root of 1146208646 is about 1046.5369342814.

The spelling of 1146208646 in words is "one billion, one hundred forty-six million, two hundred eight thousand, six hundred forty-six".