1108832661 has 12 divisors (see below), whose sum is σ = 1656876780. Its totient is φ = 713731200.

The previous prime is 1108832639. The next prime is 1108832689. The reversal of 1108832661 is 1662388011.

It can be written as a sum of positive squares in 2 ways, for example, as 561974436 + 546858225 = 23706^2 + 23385^2 .

It is not a de Polignac number, because 1108832661 - 2⁶ = 1108832597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108832611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2123940 + ... + 2124461.

It is an arithmetic number, because the mean of its divisors is an integer number (138073065).

Almost surely, 2^1108832661 is an apocalyptic number.

It is an amenable number.

1108832661 is a deficient number, since it is larger than the sum of its proper divisors (548044119).

1108832661 is a wasteful number, since it uses less digits than its factorization.

1108832661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248436 (or 4248433 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1108832661 is about 33299.1390429242. The cubic root of 1108832661 is about 1035.0357167539.

The spelling of 1108832661 in words is "one billion, one hundred eight million, eight hundred thirty-two thousand, six hundred sixty-one".