660060861846146 has 8 divisors (see below), whose sum is σ = 992928230571900. Its totient is φ = 329084784988848.

The previous prime is 660060861846119. The next prime is 660060861846233. The reversal of 660060861846146 is 641648168060066.

It can be written as a sum of positive squares in 2 ways, for example, as 660055998318025 + 4863528121 = 25691555^2 + 69739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472822966241 + ... + 472822967636.

Almost surely, 2^{660060861846146} is an apocalyptic number.

660060861846146 is a deficient number, since it is larger than the sum of its proper divisors (332867368725754).

660060861846146 is a wasteful number, since it uses less digits than its factorization.

660060861846146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945645934228.

The product of its (nonzero) digits is 47775744, while the sum is 62.

The spelling of 660060861846146 in words is "six hundred sixty trillion, sixty billion, eight hundred sixty-one million, eight hundred forty-six thousand, one hundred forty-six".