2016711550657 has 4 divisors (see below), whose sum is σ = 2029556847316. Its totient is φ = 2003866254000.

The previous prime is 2016711550577. The next prime is 2016711550669. The reversal of 2016711550657 is 7560551176102.

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 627151541041 + 1389560009616 = 791929^2 + 1178796^2 .

It is a cyclic number.

It is not a de Polignac number, because 2016711550657 - 2¹¹ = 2016711548609 is a prime.

It is a super-2 number, since 2×2016711550657² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2016711550057) 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, 6422648094 + ... + 6422648407.

It is an arithmetic number, because the mean of its divisors is an integer number (507389211829).

Almost surely, 2^{2016711550657} is an apocalyptic number.

It is an amenable number.

2016711550657 is a deficient number, since it is larger than the sum of its proper divisors (12845296659).

2016711550657 is a wasteful number, since it uses less digits than its factorization.

2016711550657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12845296658.

The product of its (nonzero) digits is 441000, while the sum is 46.

The spelling of 2016711550657 in words is "two trillion, sixteen billion, seven hundred eleven million, five hundred fifty thousand, six hundred fifty-seven".