16611022740757 has 16 divisors (see below), whose sum is σ = 17082265590000. Its totient is φ = 16140956935680.

The previous prime is 16611022740731. The next prime is 16611022740769. The reversal of 16611022740757 is 75704722011661.

16611022740757 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 8 ways, for example, as 16365829041 + 16594656911716 = 127929^2 + 4073654^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16611022740757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16611022740757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16611022740787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539145969 + ... + 539176777.

It is an arithmetic number, because the mean of its divisors is an integer number (1067641599375).

Almost surely, 2^{16611022740757} is an apocalyptic number.

It is an amenable number.

16611022740757 is a deficient number, since it is larger than the sum of its proper divisors (471242849243).

16611022740757 is a wasteful number, since it uses less digits than its factorization.

16611022740757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49416.

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 16611022740757 in words is "sixteen trillion, six hundred eleven billion, twenty-two million, seven hundred forty thousand, seven hundred fifty-seven".