60561155066169 has 16 divisors (see below), whose sum is σ = 80781528762368. Its totient is φ = 40357445657472.

The previous prime is 60561155066147. The next prime is 60561155066183. The reversal of 60561155066169 is 96166055116506.

It is not a de Polignac number, because 60561155066169 - 2²⁰ = 60561154017593 is a prime.

It is a super-2 number, since 2×60561155066169² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60561155066569) 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, 74297229 + ... + 75107925.

It is an arithmetic number, because the mean of its divisors is an integer number (5048845547648).

Almost surely, 2^{60561155066169} is an apocalyptic number.

It is an amenable number.

60561155066169 is a deficient number, since it is larger than the sum of its proper divisors (20220373696199).

60561155066169 is a wasteful number, since it uses less digits than its factorization.

60561155066169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820944.

The product of its (nonzero) digits is 8748000, while the sum is 57.

The spelling of 60561155066169 in words is "sixty trillion, five hundred sixty-one billion, one hundred fifty-five million, sixty-six thousand, one hundred sixty-nine".