1065996288 has 416 divisors, whose sum is σ = 3868773120. Its totient is φ = 286654464.

The previous prime is 1065996251. The next prime is 1065996299. The reversal of 1065996288 is 8826995601.

It is a happy number.

1065996288 is a `hidden beast` number, since 1 + 0 + 6 + 5 + 9 + 9 + 628 + 8 = 666.

It is a super-2 number, since 2×1065996288² = 2272696172059557888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62705656 + ... + 62705672.

Almost surely, 2^1065996288 is an apocalyptic number.

1065996288 is a gapful number since it is divisible by the number (18) 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 1065996288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1934386560).

1065996288 is an abundant number, since it is smaller than the sum of its proper divisors (2802776832).

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

1065996288 is an frugal number, since it uses more digits than its factorization.

1065996288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 1065996288 is about 32649.5985886504. The cubic root of 1065996288 is about 1021.5318160441.

The spelling of 1065996288 in words is "one billion, sixty-five million, nine hundred ninety-six thousand, two hundred eighty-eight".