60666656550 has 48 divisors (see below), whose sum is σ = 154122916752. Its totient is φ = 15783193600.

The previous prime is 60666656473. The next prime is 60666656563. The reversal of 60666656550 is 5565666606.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 60666656493 and 60666656502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4926099 + ... + 4938398.

It is an arithmetic number, because the mean of its divisors is an integer number (3210894099).

Almost surely, 2^60666656550 is an apocalyptic number.

60666656550 is an abundant number, since it is smaller than the sum of its proper divisors (93456260202).

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

60666656550 is a wasteful number, since it uses less digits than its factorization.

60666656550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9864553 (or 9864548 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 51.

The spelling of 60666656550 in words is "sixty billion, six hundred sixty-six million, six hundred fifty-six thousand, five hundred fifty".