60661559 has 12 divisors (see below), whose sum is σ = 74717424. Its totient is φ = 48936384.

The previous prime is 60661553. The next prime is 60661567. The reversal of 60661559 is 95516606.

It is not a de Polignac number, because 60661559 - 2⁴ = 60661543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60661553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35579 + ... + 37244.

It is an arithmetic number, because the mean of its divisors is an integer number (6226452).

Almost surely, 2^60661559 is an apocalyptic number.

60661559 is a deficient number, since it is larger than the sum of its proper divisors (14055865).

60661559 is a wasteful number, since it uses less digits than its factorization.

60661559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72854 (or 72847 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 60661559 is about 7788.5530748657. The cubic root of 60661559 is about 392.9203502361.

The spelling of 60661559 in words is "sixty million, six hundred sixty-one thousand, five hundred fifty-nine".