1011666050 has 12 divisors (see below), whose sum is σ = 1881698946. Its totient is φ = 404666400.

The previous prime is 1011666013. The next prime is 1011666053. The reversal of 1011666050 is 506661101.

It can be written as a sum of positive squares in 3 ways, for example, as 843263521 + 168402529 = 29039^2 + 12977^2 .

It is not an unprimeable number, because it can be changed into a prime (1011666053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10116611 + ... + 10116710.

Almost surely, 2^1011666050 is an apocalyptic number.

1011666050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011666050 is a deficient number, since it is larger than the sum of its proper divisors (870032896).

1011666050 is a wasteful number, since it uses less digits than its factorization.

1011666050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20233333 (or 20233328 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1011666050 is about 31806.6981939339. The cubic root of 1011666050 is about 1003.8736587264.

The spelling of 1011666050 in words is "one billion, eleven million, six hundred sixty-six thousand, fifty".