1068173632 has 56 divisors (see below), whose sum is σ = 2157106176. Its totient is φ = 524740608.

The previous prime is 1068173611. The next prime is 1068173633. The reversal of 1068173632 is 2363718601.

It is a super-2 number, since 2×1068173632² = 2281989816200142848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1068173591 and 1068173600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068173633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917883 + ... + 919045.

Almost surely, 2^1068173632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1068173632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1078553088).

1068173632 is an abundant number, since it is smaller than the sum of its proper divisors (1088932544).

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

1068173632 is a wasteful number, since it uses less digits than its factorization.

1068173632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1068173632 is about 32682.9256952311. The cubic root of 1068173632 is about 1022.2268508367.

The spelling of 1068173632 in words is "one billion, sixty-eight million, one hundred seventy-three thousand, six hundred thirty-two".