1066666668 has 24 divisors (see below), whose sum is σ = 2498811840. Its totient is φ = 354138000.

The previous prime is 1066666637. The next prime is 1066666681. The reversal of 1066666668 is 8666666601.

1066666668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1066666668² = 2275555561244444448, 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 1066666668.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174058 + ... + 180081.

It is an arithmetic number, because the mean of its divisors is an integer number (104117160).

Almost surely, 2^1066666668 is an apocalyptic number.

It is an amenable number.

1066666668 is an abundant number, since it is smaller than the sum of its proper divisors (1432145172).

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

1066666668 is a wasteful number, since it uses less digits than its factorization.

1066666668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354397 (or 354395 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The square root of 1066666668 is about 32659.8632575215. The cubic root of 1066666668 is about 1021.7459102838.

The spelling of 1066666668 in words is "one billion, sixty-six million, six hundred sixty-six thousand, six hundred sixty-eight".