60556610661 has 8 divisors (see below), whose sum is σ = 82924367904. Its totient is φ = 39279963600.

The previous prime is 60556610659. The next prime is 60556610663. The reversal of 60556610661 is 16601665506.

It is an interprime number because it is at equal distance from previous prime (60556610659) and next prime (60556610663).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 60556610661 - 2¹ = 60556610659 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60556610663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272777415 + ... + 272777636.

It is an arithmetic number, because the mean of its divisors is an integer number (10365545988).

Almost surely, 2^60556610661 is an apocalyptic number.

It is an amenable number.

60556610661 is a deficient number, since it is larger than the sum of its proper divisors (22367757243).

60556610661 is a wasteful number, since it uses less digits than its factorization.

60556610661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545555091.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 60556610661 in words is "sixty billion, five hundred fifty-six million, six hundred ten thousand, six hundred sixty-one".