1165240896 has 112 divisors (see below), whose sum is σ = 3207959040. Its totient is φ = 372879360.

The previous prime is 1165240861. The next prime is 1165240913. The reversal of 1165240896 is 6980425611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814710 + ... + 816138.

Almost surely, 2^1165240896 is an apocalyptic number.

1165240896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1165240896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1603979520).

1165240896 is an abundant number, since it is smaller than the sum of its proper divisors (2042718144).

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

1165240896 is a wasteful number, since it uses less digits than its factorization.

1165240896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612 (or 1602 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1165240896 is about 34135.6250272351. The cubic root of 1165240896 is about 1052.2975828804.

The spelling of 1165240896 in words is "one billion, one hundred sixty-five million, two hundred forty thousand, eight hundred ninety-six".