60515616618 has 80 divisors (see below), whose sum is σ = 149818870080. Its totient is φ = 18159825024.

The previous prime is 60515616613. The next prime is 60515616647. The reversal of 60515616618 is 81661651506.

60515616618 is a `hidden beast` number, since 6 + 0 + 5 + 15 + 6 + 16 + 618 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (60515616613) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 414348 + ... + 541031.

It is an arithmetic number, because the mean of its divisors is an integer number (1872735876).

Almost surely, 2^60515616618 is an apocalyptic number.

60515616618 is an abundant number, since it is smaller than the sum of its proper divisors (89303253462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60515616618 is a wasteful number, since it uses less digits than its factorization.

60515616618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955433 (or 955424 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 60515616618 in words is "sixty billion, five hundred fifteen million, six hundred sixteen thousand, six hundred eighteen".