1162013520 has 80 divisors (see below), whose sum is σ = 3625303680. Its totient is φ = 307886592.

The previous prime is 1162013387. The next prime is 1162013539. The reversal of 1162013520 is 253102611.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22261 + ... + 53099.

It is an arithmetic number, because the mean of its divisors is an integer number (45316296).

Almost surely, 2^1162013520 is an apocalyptic number.

1162013520 is a gapful number since it is divisible by the number (10) 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 1162013520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1812651840).

1162013520 is an abundant number, since it is smaller than the sum of its proper divisors (2463290160).

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

1162013520 is a wasteful number, since it uses less digits than its factorization.

1162013520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31012 (or 31006 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1162013520 is about 34088.3194070931. The cubic root of 1162013520 is about 1051.3251658563.

The spelling of 1162013520 in words is "one billion, one hundred sixty-two million, thirteen thousand, five hundred twenty".