60661118659 has 2 divisors, whose sum is σ = 60661118660. Its totient is φ = 60661118658.

The previous prime is 60661118657. The next prime is 60661118671. The reversal of 60661118659 is 95681116606.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60661118659 - 2¹ = 60661118657 is a prime.

It is a super-2 number, since 2×60661118659² (a number of 22 digits) contains 22 as substring.

Together with 60661118657, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (60661118657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30330559329 + 30330559330.

It is an arithmetic number, because the mean of its divisors is an integer number (30330559330).

Almost surely, 2^60661118659 is an apocalyptic number.

60661118659 is a deficient number, since it is larger than the sum of its proper divisors (1).

60661118659 is an equidigital number, since it uses as much as digits as its factorization.

60661118659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 60661118659 in words is "sixty billion, six hundred sixty-one million, one hundred eighteen thousand, six hundred fifty-nine".