11662704036 has 81 divisors (see below), whose sum is σ = 30286292673. Its totient is φ = 3784109760.

The previous prime is 11662703999. The next prime is 11662704059. The reversal of 11662704036 is 63040726611.

It is a happy number.

The square root of 11662704036 is 107994.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 561974436 + 11100729600 = 23706^2 + 105360^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 26566305 + ... + 26566743.

Almost surely, 2^11662704036 is an apocalyptic number.

11662704036 is the 107994-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11662704036

11662704036 is an abundant number, since it is smaller than the sum of its proper divisors (18623588637).

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

11662704036 is an equidigital number, since it uses as much as digits as its factorization.

11662704036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Multiplying 11662704036 by its sum of digits (36), we get a square (419857345296 = 647964²).

11662704036 divided by its sum of digits (36) gives a square (323964001 = 17999²).

The spelling of 11662704036 in words is "eleven billion, six hundred sixty-two million, seven hundred four thousand, thirty-six".