60660660061 has 4 divisors (see below), whose sum is σ = 63853326400. Its totient is φ = 57467993724.

The previous prime is 60660660059. The next prime is 60660660077. The reversal of 60660660061 is 16006606606.

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.

It is a cyclic number.

It is not a de Polignac number, because 60660660061 - 2¹ = 60660660059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 60660660061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60660660461) 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, 1596333141 + ... + 1596333178.

It is an arithmetic number, because the mean of its divisors is an integer number (15963331600).

Almost surely, 2^60660660061 is an apocalyptic number.

It is an amenable number.

60660660061 is a deficient number, since it is larger than the sum of its proper divisors (3192666339).

60660660061 is a wasteful number, since it uses less digits than its factorization.

60660660061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192666338.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 60660660061 in words is "sixty billion, six hundred sixty million, six hundred sixty thousand, sixty-one".