1061985330 has 192 divisors, whose sum is σ = 3338357760. Its totient is φ = 242494560.

The previous prime is 1061985313. The next prime is 1061985343. The reversal of 1061985330 is 335891601.

It is a happy number.

1061985330 is a `hidden beast` number, since 1 + 0 + 619 + 8 + 5 + 3 + 30 = 666.

It is a super-2 number, since 2×1061985330² = 2255625682270417800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1071135 + ... + 1072125.

It is an arithmetic number, because the mean of its divisors is an integer number (17387280).

Almost surely, 2^1061985330 is an apocalyptic number.

1061985330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061985330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1669178880).

1061985330 is an abundant number, since it is smaller than the sum of its proper divisors (2276372430).

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

1061985330 is an frugal number, since it uses more digits than its factorization.

1061985330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1061985330 is about 32588.1163923293. The cubic root of 1061985330 is about 1020.2489876587.

The spelling of 1061985330 in words is "one billion, sixty-one million, nine hundred eighty-five thousand, three hundred thirty".