11660061733 has 4 divisors (see below), whose sum is σ = 11851210348. Its totient is φ = 11468913120.

The previous prime is 11660061727. The next prime is 11660061737. The reversal of 11660061733 is 33716006611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2401196004 + 9258865729 = 49002^2 + 96223^2 .

It is a cyclic number.

It is not a de Polignac number, because 11660061733 - 2⁹ = 11660061221 is a prime.

It is a super-3 number, since 3×11660061733³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11660061737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95574216 + ... + 95574337.

It is an arithmetic number, because the mean of its divisors is an integer number (2962802587).

Almost surely, 2^11660061733 is an apocalyptic number.

It is an amenable number.

11660061733 is a deficient number, since it is larger than the sum of its proper divisors (191148615).

11660061733 is an equidigital number, since it uses as much as digits as its factorization.

11660061733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191148614.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 11660061733 in words is "eleven billion, six hundred sixty million, sixty-one thousand, seven hundred thirty-three".