1097331648 has 112 divisors (see below), whose sum is σ = 3339144960. Its totient is φ = 311537664.

The previous prime is 1097331617. The next prime is 1097331659. The reversal of 1097331648 is 8461337901.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 216568 + ... + 221576.

Almost surely, 2^1097331648 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 1097331648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1669572480).

1097331648 is an abundant number, since it is smaller than the sum of its proper divisors (2241813312).

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

1097331648 is a wasteful number, since it uses less digits than its factorization.

1097331648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194 (or 5184 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1097331648 is about 33125.9965585943. The cubic root of 1097331648 is about 1031.4447466771. Note that the first 3 decimals are identical.

The spelling of 1097331648 in words is "one billion, ninety-seven million, three hundred thirty-one thousand, six hundred forty-eight".