1165354564 has 24 divisors (see below), whose sum is σ = 2246803776. Its totient is φ = 524460000.

The previous prime is 1165354559. The next prime is 1165354577. The reversal of 1165354564 is 4654535611.

It is a happy 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, 126672 + ... + 135559.

It is an arithmetic number, because the mean of its divisors is an integer number (93616824).

Almost surely, 2^1165354564 is an apocalyptic number.

It is an amenable number.

1165354564 is a deficient number, since it is larger than the sum of its proper divisors (1081449212).

1165354564 is a wasteful number, since it uses less digits than its factorization.

1165354564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262347 (or 262345 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The square root of 1165354564 is about 34137.2899334438. The cubic root of 1165354564 is about 1052.3317986015.

The spelling of 1165354564 in words is "one billion, one hundred sixty-five million, three hundred fifty-four thousand, five hundred sixty-four".