1165945676 has 12 divisors (see below), whose sum is σ = 2331891408. Its totient is φ = 499690992.

The previous prime is 1165945637. The next prime is 1165945691. The reversal of 1165945676 is 6765495611.

1165945676 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20820431 + ... + 20820486.

It is an arithmetic number, because the mean of its divisors is an integer number (194324284).

Almost surely, 2^1165945676 is an apocalyptic number.

It is an amenable number.

1165945676 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1165945676 is a wasteful number, since it uses less digits than its factorization.

1165945676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41640928 (or 41640926 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 50.

The square root of 1165945676 is about 34145.9466994254. The cubic root of 1165945676 is about 1052.5096960495.

The spelling of 1165945676 in words is "one billion, one hundred sixty-five million, nine hundred forty-five thousand, six hundred seventy-six".