1069266661890 has 96 divisors (see below), whose sum is σ = 3065899667904. Its totient is φ = 237798288000.

The previous prime is 1069266661847. The next prime is 1069266661909. The reversal of 1069266661890 is 981666629601.

It is a super-2 number, since 2×1069266661890² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9775236 + ... + 9884015.

It is an arithmetic number, because the mean of its divisors is an integer number (31936454874).

Almost surely, 2^{1069266661890} is an apocalyptic number.

1069266661890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1069266661890 is an abundant number, since it is smaller than the sum of its proper divisors (1996633006014).

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

1069266661890 is a wasteful number, since it uses less digits than its factorization.

1069266661890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19659312 (or 19659305 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 60.

The spelling of 1069266661890 in words is "one trillion, sixty-nine billion, two hundred sixty-six million, six hundred sixty-one thousand, eight hundred ninety".