60345556666 has 4 divisors (see below), whose sum is σ = 90518335002. Its totient is φ = 30172778332.

The previous prime is 60345556639. The next prime is 60345556699. The reversal of 60345556666 is 66665554306.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 59647804441 + 697752225 = 244229^2 + 26415^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15086389165 + ... + 15086389168.

Almost surely, 2^60345556666 is an apocalyptic number.

60345556666 is a deficient number, since it is larger than the sum of its proper divisors (30172778336).

60345556666 is a wasteful number, since it uses less digits than its factorization.

60345556666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30172778335.

The product of its (nonzero) digits is 11664000, while the sum is 52.

The spelling of 60345556666 in words is "sixty billion, three hundred forty-five million, five hundred fifty-six thousand, six hundred sixty-six".