1066650100650 has 72 divisors (see below), whose sum is σ = 2866115651724. Its totient is φ = 284402073600.

The previous prime is 1066650100627. The next prime is 1066650100693. The reversal of 1066650100650 is 560010566601.

It can be written as a sum of positive squares in 6 ways, for example, as 816943014801 + 249707085849 = 903849^2 + 499707^2 .

It is a super-2 number, since 2×1066650100650² (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 35 ways as a sum of consecutive naturals, for example, 3302152 + ... + 3610748.

Almost surely, 2^{1066650100650} is an apocalyptic number.

1066650100650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1066650100650 is an abundant number, since it is smaller than the sum of its proper divisors (1799465551074).

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

1066650100650 is a wasteful number, since it uses less digits than its factorization.

1066650100650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316296 (or 316288 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 1066650100650 in words is "one trillion, sixty-six billion, six hundred fifty million, one hundred thousand, six hundred fifty".