60650561601666 has 64 divisors (see below), whose sum is σ = 139128198144000. Its totient is φ = 19564491718800.

The previous prime is 60650561601629. The next prime is 60650561601769. The reversal of 60650561601666 is 66610616505606.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317628081 + ... + 317818971.

It is an arithmetic number, because the mean of its divisors is an integer number (2173878096000).

Almost surely, 2^{60650561601666} is an apocalyptic number.

60650561601666 is an abundant number, since it is smaller than the sum of its proper divisors (78477636542334).

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

60650561601666 is a wasteful number, since it uses less digits than its factorization.

60650561601666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380732 (or 380726 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 60650561601666 in words is "sixty trillion, six hundred fifty billion, five hundred sixty-one million, six hundred one thousand, six hundred sixty-six".