1066380876 has 90 divisors (see below), whose sum is σ = 3046730148. Its totient is φ = 322554960.

The previous prime is 1066380869. The next prime is 1066380883. The reversal of 1066380876 is 6780836601.

1066380876 is a `hidden beast` number, since 1 + 0 + 6 + 638 + 0 + 8 + 7 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1066380869) and next prime (1066380883).

It is a super-2 number, since 2×1066380876² = 2274336345397054752, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1949235 + ... + 1949781.

Almost surely, 2^1066380876 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 1066380876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1523365074).

1066380876 is an abundant number, since it is smaller than the sum of its proper divisors (1980349272).

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

1066380876 is an equidigital number, since it uses as much as digits as its factorization.

1066380876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1066380876 is about 32655.4876858393. The cubic root of 1066380876 is about 1021.6546500057.

The spelling of 1066380876 in words is "one billion, sixty-six million, three hundred eighty thousand, eight hundred seventy-six".