60986338561 has 4 divisors (see below), whose sum is σ = 61013218900. Its totient is φ = 60959458224.

The previous prime is 60986338547. The next prime is 60986338579. The reversal of 60986338561 is 16583368906.

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 29318000625 + 31668337936 = 171225^2 + 177956^2 .

It is a cyclic number.

It is not a de Polignac number, because 60986338561 - 2²⁵ = 60952784129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60986338531) 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, 13436766 + ... + 13441303.

It is an arithmetic number, because the mean of its divisors is an integer number (15253304725).

Almost surely, 2^60986338561 is an apocalyptic number.

It is an amenable number.

60986338561 is a deficient number, since it is larger than the sum of its proper divisors (26880339).

60986338561 is a wasteful number, since it uses less digits than its factorization.

60986338561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26880338.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 60986338561 in words is "sixty billion, nine hundred eighty-six million, three hundred thirty-eight thousand, five hundred sixty-one".