1161026832 has 320 divisors, whose sum is σ = 3865466880. Its totient is φ = 292626432.

The previous prime is 1161026831. The next prime is 1161026833. The reversal of 1161026832 is 2386201611.

It is an interprime number because it is at equal distance from previous prime (1161026831) and next prime (1161026833).

It is a self number, because there is not a number n which added to its sum of digits gives 1161026832.

It is not an unprimeable number, because it can be changed into a prime (1161026831) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7122783 + ... + 7122945.

It is an arithmetic number, because the mean of its divisors is an integer number (12079584).

Almost surely, 2^1161026832 is an apocalyptic number.

1161026832 is a gapful number since it is divisible by the number (12) 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 1161026832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1932733440).

1161026832 is an abundant number, since it is smaller than the sum of its proper divisors (2704440048).

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

1161026832 is a wasteful number, since it uses less digits than its factorization.

1161026832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1161026832 is about 34073.8438101720. The cubic root of 1161026832 is about 1051.0275147958.

The spelling of 1161026832 in words is "one billion, one hundred sixty-one million, twenty-six thousand, eight hundred thirty-two".