60666244657 has 8 divisors (see below), whose sum is σ = 62080403616. Its totient is φ = 59252236512.

The previous prime is 60666244651. The next prime is 60666244669. The reversal of 60666244657 is 75644266606.

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

It is a cyclic number.

It is not a de Polignac number, because 60666244657 - 2³¹ = 58518761009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60666244651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1470333 + ... + 1511029.

It is an arithmetic number, because the mean of its divisors is an integer number (7760050452).

Almost surely, 2^60666244657 is an apocalyptic number.

It is an amenable number.

60666244657 is a deficient number, since it is larger than the sum of its proper divisors (1414158959).

60666244657 is a wasteful number, since it uses less digits than its factorization.

60666244657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75407.

The product of its (nonzero) digits is 8709120, while the sum is 52.

The spelling of 60666244657 in words is "sixty billion, six hundred sixty-six million, two hundred forty-four thousand, six hundred fifty-seven".