1021996168 has 64 divisors (see below), whose sum is σ = 2115273600. Its totient is φ = 460753920.

The previous prime is 1021996147. The next prime is 1021996211. The reversal of 1021996168 is 8616991201.

1021996168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841930 + ... + 843142.

It is an arithmetic number, because the mean of its divisors is an integer number (33051150).

Almost surely, 2^1021996168 is an apocalyptic number.

It is an amenable number.

1021996168 is an abundant number, since it is smaller than the sum of its proper divisors (1093277432).

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

1021996168 is a wasteful number, since it uses less digits than its factorization.

1021996168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 1021996168 is about 31968.6747926779. The cubic root of 1021996168 is about 1007.2789444147.

The spelling of 1021996168 in words is "one billion, twenty-one million, nine hundred ninety-six thousand, one hundred sixty-eight".