60660551669 has 8 divisors (see below), whose sum is σ = 62938513560. Its totient is φ = 58395004416.

The previous prime is 60660551617. The next prime is 60660551687. The reversal of 60660551669 is 96615506606.

It can be written as a sum of positive squares in 4 ways, for example, as 1787569 + 60658764100 = 1337^2 + 246290^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60660551669 is a prime.

It is a super-2 number, since 2×60660551669² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60660556669) 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, 3093704 + ... + 3113249.

It is an arithmetic number, because the mean of its divisors is an integer number (7867314195).

Almost surely, 2^60660551669 is an apocalyptic number.

It is an amenable number.

60660551669 is a deficient number, since it is larger than the sum of its proper divisors (2277961891).

60660551669 is a wasteful number, since it uses less digits than its factorization.

60660551669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6207319.

The product of its (nonzero) digits is 1749600, while the sum is 50.

The spelling of 60660551669 in words is "sixty billion, six hundred sixty million, five hundred fifty-one thousand, six hundred sixty-nine".