1165457796 has 48 divisors (see below), whose sum is σ = 2870972160. Its totient is φ = 366953760.

The previous prime is 1165457749. The next prime is 1165457801. The reversal of 1165457796 is 6977545611.

It is a happy 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, 71751 + ... + 86481.

It is an arithmetic number, because the mean of its divisors is an integer number (59811920).

Almost surely, 2^1165457796 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 1165457796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1435486080).

1165457796 is an abundant number, since it is smaller than the sum of its proper divisors (1705514364).

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

1165457796 is a wasteful number, since it uses less digits than its factorization.

1165457796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15104 (or 15102 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 51.

The square root of 1165457796 is about 34138.8019121937. The cubic root of 1165457796 is about 1052.3628710070.

The spelling of 1165457796 in words is "one billion, one hundred sixty-five million, four hundred fifty-seven thousand, seven hundred ninety-six".