1088391168 has 156 divisors (see below), whose sum is σ = 3264374295. Its totient is φ = 362797056.

The previous prime is 1088391131. The next prime is 1088391169. The reversal of 1088391168 is 8611938801.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 544195584 + 544195584 = 23328^2 + 23328^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=23328.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1088391169) by changing a digit.

It is a polite number, since it can be written in 12 ways as a sum of consecutive naturals, for example, 362797055 + 362797056 + 362797057.

Almost surely, 2^1088391168 is an apocalyptic number.

1088391168 is a gapful number since it is divisible by the number (18) 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 1088391168

1088391168 is an abundant number, since it is smaller than the sum of its proper divisors (2175983127).

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

1088391168 is an frugal number, since it uses more digits than its factorization.

1088391168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58 (or 5 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 1088391168 is about 32990.7739830396. The cubic root of 1088391168 is about 1028.6358816754.

The spelling of 1088391168 in words is "one billion, eighty-eight million, three hundred ninety-one thousand, one hundred sixty-eight".