1068164944 has 80 divisors (see below), whose sum is σ = 2732075136. Its totient is φ = 391680000.

The previous prime is 1068164891. The next prime is 1068164957. The reversal of 1068164944 is 4494618601.

It is a super-2 number, since 2×1068164944² = 2281952695181046272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1068164944.

It is a congruent number.

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, 4557 + ... + 46444.

Almost surely, 2^1068164944 is an apocalyptic number.

1068164944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1068164944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1366037568).

1068164944 is an abundant number, since it is smaller than the sum of its proper divisors (1663910192).

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

1068164944 is a wasteful number, since it uses less digits than its factorization.

1068164944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51044 (or 51038 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 1068164944 is about 32682.7927815234. The cubic root of 1068164944 is about 1022.2240793987.

It can be divided in two parts, 10681 and 64944, that added together give a square (75625 = 275²).

The spelling of 1068164944 in words is "one billion, sixty-eight million, one hundred sixty-four thousand, nine hundred forty-four".