1061996832 has 120 divisors (see below), whose sum is σ = 3363663996. Its totient is φ = 326757888.

The previous prime is 1061996821. The next prime is 1061996839. The reversal of 1061996832 is 2386991601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 894967056 + 167029776 = 29916^2 + 12924^2 .

It is a super-2 number, since 2×1061996832² = 2255674542356072448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061996839) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17938 + ... + 49454.

Almost surely, 2^1061996832 is an apocalyptic number.

1061996832 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 1061996832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681831998).

1061996832 is an abundant number, since it is smaller than the sum of its proper divisors (2301667164).

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

1061996832 is a wasteful number, since it uses less digits than its factorization.

1061996832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31552 (or 31535 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 1061996832 is about 32588.2928672246. The cubic root of 1061996832 is about 1020.2526709680.

The spelling of 1061996832 in words is "one billion, sixty-one million, nine hundred ninety-six thousand, eight hundred thirty-two".