1081016532 has 18 divisors (see below), whose sum is σ = 2732569658. Its totient is φ = 360338832.

The previous prime is 1081016513. The next prime is 1081016539. The reversal of 1081016532 is 2356101801.

1081016532 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 0 + 1 + 653 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 669981456 + 411035076 = 25884^2 + 20274^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 1081016496 and 1081016505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081016539) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 15014083 + ... + 15014154.

Almost surely, 2^1081016532 is an apocalyptic number.

1081016532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1081016532 is an abundant number, since it is smaller than the sum of its proper divisors (1651553126).

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

1081016532 is a wasteful number, since it uses less digits than its factorization.

1081016532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30028247 (or 30028242 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1081016532 is about 32878.8158545894. The cubic root of 1081016532 is about 1026.3073643374.

The spelling of 1081016532 in words is "one billion, eighty-one million, sixteen thousand, five hundred thirty-two".