1146998888 has 16 divisors (see below), whose sum is σ = 2457854880. Its totient is φ = 491570928.

The previous prime is 1146998863. The next prime is 1146998893. The reversal of 1146998888 is 8888996411.

It is a self number, because there is not a number n which added to its sum of digits gives 1146998888.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10241006 + ... + 10241117.

It is an arithmetic number, because the mean of its divisors is an integer number (153615930).

Almost surely, 2^1146998888 is an apocalyptic number.

It is an amenable number.

1146998888 is an abundant number, since it is smaller than the sum of its proper divisors (1310855992).

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

1146998888 is a wasteful number, since it uses less digits than its factorization.

1146998888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20482136 (or 20482132 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 62.

The square root of 1146998888 is about 33867.3720267753. The cubic root of 1146998888 is about 1046.7773871449. Note that the first 3 decimals are identical.

The spelling of 1146998888 in words is "one billion, one hundred forty-six million, nine hundred ninety-eight thousand, eight hundred eighty-eight".