60666581660 has 48 divisors (see below), whose sum is σ = 128164389696. Its totient is φ = 24121208832.

The previous prime is 60666581629. The next prime is 60666581663. The reversal of 60666581660 is 6618566606.

It is a junction number, because it is equal to n+sod(n) for n = 60666581599 and 60666581608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60666581663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5294057 + ... + 5305503.

It is an arithmetic number, because the mean of its divisors is an integer number (2670091452).

Almost surely, 2^60666581660 is an apocalyptic number.

It is an amenable number.

60666581660 is an abundant number, since it is smaller than the sum of its proper divisors (67497808036).

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

60666581660 is a wasteful number, since it uses less digits than its factorization.

60666581660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13022 (or 13020 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 60666581660 in words is "sixty billion, six hundred sixty-six million, five hundred eighty-one thousand, six hundred sixty".