1088663645 has 8 divisors (see below), whose sum is σ = 1327813080. Its totient is φ = 856653120.

The previous prime is 1088663633. The next prime is 1088663651. The reversal of 1088663645 is 5463668801.

It can be written as a sum of positive squares in 4 ways, for example, as 13741849 + 1074921796 = 3707^2 + 32786^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1088663645 - 2⁶ = 1088663581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1088663645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1784390 + ... + 1784999.

It is an arithmetic number, because the mean of its divisors is an integer number (165976635).

Almost surely, 2^1088663645 is an apocalyptic number.

It is an amenable number.

1088663645 is a deficient number, since it is larger than the sum of its proper divisors (239149435).

1088663645 is an equidigital number, since it uses as much as digits as its factorization.

1088663645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569455.

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 1088663645 is about 32994.9033185430. The cubic root of 1088663645 is about 1028.7217136328.

The spelling of 1088663645 in words is "one billion, eighty-eight million, six hundred sixty-three thousand, six hundred forty-five".