1165461456 has 80 divisors (see below), whose sum is σ = 3078820800. Its totient is φ = 379782144.

The previous prime is 1165461433. The next prime is 1165461481. The reversal of 1165461456 is 6541645611.

It is a happy number.

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, 556860 + ... + 558948.

It is an arithmetic number, because the mean of its divisors is an integer number (38485260).

Almost surely, 2^1165461456 is an apocalyptic number.

1165461456 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 1165461456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539410400).

1165461456 is an abundant number, since it is smaller than the sum of its proper divisors (1913359344).

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

1165461456 is a wasteful number, since it uses less digits than its factorization.

1165461456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356 (or 2350 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 1165461456 is about 34138.8555168447. The cubic root of 1165461456 is about 1052.3639726182.

The spelling of 1165461456 in words is "one billion, one hundred sixty-five million, four hundred sixty-one thousand, four hundred fifty-six".