1066991802 has 32 divisors (see below), whose sum is σ = 2157451200. Its totient is φ = 351763968.

The previous prime is 1066991801. The next prime is 1066991803. The reversal of 1066991802 is 2081996601.

1066991802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1066991801) and next prime (1066991803).

It is a super-2 number, since 2×1066991802² = 2276943011070414408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066991801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595524 + ... + 597312.

It is an arithmetic number, because the mean of its divisors is an integer number (67420350).

Almost surely, 2^1066991802 is an apocalyptic number.

1066991802 is an abundant number, since it is smaller than the sum of its proper divisors (1090459398).

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

1066991802 is a wasteful number, since it uses less digits than its factorization.

1066991802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 1066991802 is about 32664.8404557561. The cubic root of 1066991802 is about 1021.8497135921.

The spelling of 1066991802 in words is "one billion, sixty-six million, nine hundred ninety-one thousand, eight hundred two".