4945145308660 has 24 divisors (see below), whose sum is σ = 10390501771776. Its totient is φ = 1976973052320.

The previous prime is 4945145308643. The next prime is 4945145308673. The reversal of 4945145308660 is 668035415494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67779576 + ... + 67852495.

It is an arithmetic number, because the mean of its divisors is an integer number (432937573824).

Almost surely, 2^{4945145308660} is an apocalyptic number.

It is an amenable number.

4945145308660 is an abundant number, since it is smaller than the sum of its proper divisors (5445356463116).

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

4945145308660 is a wasteful number, since it uses less digits than its factorization.

4945145308660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135633903 (or 135633901 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 55.

The spelling of 4945145308660 in words is "four trillion, nine hundred forty-five billion, one hundred forty-five million, three hundred eight thousand, six hundred sixty".