1061784768 has 112 divisors (see below), whose sum is σ = 3117006720. Its totient is φ = 316262400.

The previous prime is 1061784739. The next prime is 1061784799. The reversal of 1061784768 is 8674871601.

It is a super-2 number, since 2×1061784768² = 2254773787113627648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 120348 + ... + 128868.

Almost surely, 2^1061784768 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 1061784768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1558503360).

1061784768 is an abundant number, since it is smaller than the sum of its proper divisors (2055221952).

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

1061784768 is a wasteful number, since it uses less digits than its factorization.

1061784768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8606 (or 8596 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 1061784768 is about 32585.0390209986. The cubic root of 1061784768 is about 1020.1847569974.

The spelling of 1061784768 in words is "one billion, sixty-one million, seven hundred eighty-four thousand, seven hundred sixty-eight".