1061986912 has 144 divisors (see below), whose sum is σ = 2636105472. Its totient is φ = 411713280.

The previous prime is 1061986883. The next prime is 1061986927. The reversal of 1061986912 is 2196891601.

It is a super-2 number, since 2×1061986912² = 2255632402518591488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1859587 + ... + 1860157.

It is an arithmetic number, because the mean of its divisors is an integer number (18306288).

Almost surely, 2^1061986912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061986912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318052736).

1061986912 is an abundant number, since it is smaller than the sum of its proper divisors (1574118560).

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

1061986912 is a wasteful number, since it uses less digits than its factorization.

1061986912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 1061986912 is about 32588.1406649720. The cubic root of 1061986912 is about 1020.2494942674.

The spelling of 1061986912 in words is "one billion, sixty-one million, nine hundred eighty-six thousand, nine hundred twelve".