1010001116660 has 24 divisors (see below), whose sum is σ = 2121087991176. Its totient is φ = 403984133120.

The previous prime is 1010001116659. The next prime is 1010001116689. The reversal of 1010001116660 is 666111000101.

It can be written as a sum of positive squares in 4 ways, for example, as 13242485776 + 996758630884 = 115076^2 + 998378^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505601 + ... + 1508520.

It is an arithmetic number, because the mean of its divisors is an integer number (88378666299).

Almost surely, 2^{1010001116660} is an apocalyptic number.

1010001116660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010001116660 is an abundant number, since it is smaller than the sum of its proper divisors (1111086874516).

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

1010001116660 is a wasteful number, since it uses less digits than its factorization.

1010001116660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039203 (or 2039201 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 1010001116660 its reverse (666111000101), we get a palindrome (1676112116761).

The spelling of 1010001116660 in words is "one trillion, ten billion, one million, one hundred sixteen thousand, six hundred sixty".