5161711560660 has 36 divisors (see below), whose sum is σ = 15657191734548. Its totient is φ = 1376456416128.

The previous prime is 5161711560611. The next prime is 5161711560661. The reversal of 5161711560660 is 660651171615.

5161711560660 is a `hidden beast` number, since 5 + 1 + 6 + 17 + 11 + 560 + 6 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2910613426704 + 2251098133956 = 1706052^2 + 1500366^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161711560661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14338087489 + ... + 14338087848.

Almost surely, 2^{5161711560660} is an apocalyptic number.

It is an amenable number.

5161711560660 is an abundant number, since it is smaller than the sum of its proper divisors (10495480173888).

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

5161711560660 is a wasteful number, since it uses less digits than its factorization.

5161711560660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28676175352 (or 28676175347 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 5161711560660 in words is "five trillion, one hundred sixty-one billion, seven hundred eleven million, five hundred sixty thousand, six hundred sixty".