1320064888 has 16 divisors (see below), whose sum is σ = 2515698360. Its totient is φ = 649212000.

The previous prime is 1320064877. The next prime is 1320064897. The reversal of 1320064888 is 8884600231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320064888.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352038 + ... + 1353013.

Almost surely, 2^1320064888 is an apocalyptic number.

It is an amenable number.

1320064888 is a deficient number, since it is larger than the sum of its proper divisors (1195633472).

1320064888 is a wasteful number, since it uses less digits than its factorization.

1320064888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705118 (or 2705114 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 1320064888 is about 36332.6972299057. The cubic root of 1320064888 is about 1096.9792848449.

The spelling of 1320064888 in words is "one billion, three hundred twenty million, sixty-four thousand, eight hundred eighty-eight".