1165641108 has 48 divisors (see below), whose sum is σ = 3031398720. Its totient is φ = 346443264.

The previous prime is 1165641097. The next prime is 1165641121. The reversal of 1165641108 is 8011465611.

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, 146491 + ... + 154242.

It is an arithmetic number, because the mean of its divisors is an integer number (63154140).

Almost surely, 2^1165641108 is an apocalyptic number.

It is an amenable number.

1165641108 is an abundant number, since it is smaller than the sum of its proper divisors (1865757612).

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

1165641108 is a wasteful number, since it uses less digits than its factorization.

1165641108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300776 (or 300774 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1165641108 is about 34141.4866108668. The cubic root of 1165641108 is about 1052.4180426400.

The spelling of 1165641108 in words is "one billion, one hundred sixty-five million, six hundred forty-one thousand, one hundred eight".