1146640512 has 64 divisors (see below), whose sum is σ = 3150820800. Its totient is φ = 369030144.

The previous prime is 1146640507. The next prime is 1146640553. The reversal of 1146640512 is 2150466411.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 1146640512.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40348 + ... + 62619.

It is an arithmetic number, because the mean of its divisors is an integer number (49231575).

Almost surely, 2^1146640512 is an apocalyptic number.

1146640512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1146640512 is an abundant number, since it is smaller than the sum of its proper divisors (2004180288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1146640512 is a wasteful number, since it uses less digits than its factorization.

1146640512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103013 (or 103001 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1146640512 is about 33862.0807393757. The cubic root of 1146640512 is about 1046.6683550804.

The spelling of 1146640512 in words is "one billion, one hundred forty-six million, six hundred forty thousand, five hundred twelve".