1069630146 has 48 divisors (see below), whose sum is σ = 2506827960. Its totient is φ = 327663360.

The previous prime is 1069630127. The next prime is 1069630147. The reversal of 1069630146 is 6410369601.

1069630146 is a `hidden beast` number, since 1 + 0 + 6 + 9 + 630 + 14 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1064390625 + 5239521 = 32625^2 + 2289^2 .

It is a super-2 number, since 2×1069630146² = 2288217298463962632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1069630146.

It is not an unprimeable number, because it can be changed into a prime (1069630147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43606 + ... + 63566.

Almost surely, 2^1069630146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1069630146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253413980).

1069630146 is an abundant number, since it is smaller than the sum of its proper divisors (1437197814).

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

1069630146 is a wasteful number, since it uses less digits than its factorization.

1069630146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20211 (or 20208 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1069630146 is about 32705.2005956239. The cubic root of 1069630146 is about 1022.6912608228.

Adding to 1069630146 its reverse (6410369601), we get a palindrome (7479999747).

The spelling of 1069630146 in words is "one billion, sixty-nine million, six hundred thirty thousand, one hundred forty-six".