1011016660 has 12 divisors (see below), whose sum is σ = 2123135028. Its totient is φ = 404406656.

The previous prime is 1011016637. The next prime is 1011016679. The reversal of 1011016660 is 666101101.

1011016660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 412333636 + 598683024 = 20306^2 + 24468^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25275397 + ... + 25275436.

It is an arithmetic number, because the mean of its divisors is an integer number (176927919).

Almost surely, 2^1011016660 is an apocalyptic number.

1011016660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011016660 is an abundant number, since it is smaller than the sum of its proper divisors (1112118368).

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

1011016660 is a wasteful number, since it uses less digits than its factorization.

1011016660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50550842 (or 50550840 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1011016660 is about 31796.4881708657. The cubic root of 1011016660 is about 1003.6588167333.

Adding to 1011016660 its reverse (666101101), we get a palindrome (1677117761).

The spelling of 1011016660 in words is "one billion, eleven million, sixteen thousand, six hundred sixty".