60687216481 has 4 divisors (see below), whose sum is σ = 60687889200. Its totient is φ = 60686543764.

The previous prime is 60687216449. The next prime is 60687216511. The reversal of 60687216481 is 18461278606.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 60687216481 - 2⁵ = 60687216449 is a prime.

It is a super-2 number, since 2×60687216481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60687216281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175351 + ... + 390028.

It is an arithmetic number, because the mean of its divisors is an integer number (15171972300).

Almost surely, 2^60687216481 is an apocalyptic number.

It is an amenable number.

60687216481 is a deficient number, since it is larger than the sum of its proper divisors (672719).

60687216481 is a wasteful number, since it uses less digits than its factorization.

60687216481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672718.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 60687216481 in words is "sixty billion, six hundred eighty-seven million, two hundred sixteen thousand, four hundred eighty-one".