1016989824 has 64 divisors (see below), whose sum is σ = 2705040000. Its totient is φ = 338537472.

The previous prime is 1016989819. The next prime is 1016989837. The reversal of 1016989824 is 4289896101.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 397702 + ... + 400250.

It is an arithmetic number, because the mean of its divisors is an integer number (42266250).

Almost surely, 2^1016989824 is an apocalyptic number.

It is an amenable number.

1016989824 is an abundant number, since it is smaller than the sum of its proper divisors (1688050176).

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

1016989824 is a wasteful number, since it uses less digits than its factorization.

1016989824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3605 (or 3593 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 1016989824 is about 31890.2778915456. The cubic root of 1016989824 is about 1005.6315013274.

The spelling of 1016989824 in words is "one billion, sixteen million, nine hundred eighty-nine thousand, eight hundred twenty-four".