60666577657 has 12 divisors (see below), whose sum is σ = 70296055680. Its totient is φ = 51287564448.

The previous prime is 60666577633. The next prime is 60666577679. The reversal of 60666577657 is 75677566606.

It is not a de Polignac number, because 60666577657 - 2¹¹ = 60666575609 is a prime.

It is a super-2 number, since 2×60666577657² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60666577595 and 60666577604.

It is not an unprimeable number, because it can be changed into a prime (60666577157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 775857 + ... + 850462.

It is an arithmetic number, because the mean of its divisors is an integer number (5858004640).

Almost surely, 2^60666577657 is an apocalyptic number.

It is an amenable number.

60666577657 is a deficient number, since it is larger than the sum of its proper divisors (9629478023).

60666577657 is an equidigital number, since it uses as much as digits as its factorization.

60666577657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626472 (or 1626399 counting only the distinct ones).

The product of its (nonzero) digits is 66679200, while the sum is 61.

The spelling of 60666577657 in words is "sixty billion, six hundred sixty-six million, five hundred seventy-seven thousand, six hundred fifty-seven".