1011666012 has 24 divisors (see below), whose sum is σ = 2697776256. Its totient is φ = 289047408.

The previous prime is 1011666011. The next prime is 1011666013. The reversal of 1011666012 is 2106661101.

1011666012 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 (1011666011) and next prime (1011666013).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011666011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6021738 + ... + 6021905.

It is an arithmetic number, because the mean of its divisors is an integer number (112407344).

Almost surely, 2^1011666012 is an apocalyptic number.

1011666012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011666012 is an abundant number, since it is smaller than the sum of its proper divisors (1686110244).

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

1011666012 is a wasteful number, since it uses less digits than its factorization.

1011666012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12043657 (or 12043655 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1011666012 is about 31806.6975965755. The cubic root of 1011666012 is about 1003.8736461573.

It can be divided in two parts, 101166601 and 2, that multiplied together give a palindrome (202333202).

The spelling of 1011666012 in words is "one billion, eleven million, six hundred sixty-six thousand, twelve".