65665550150 has 12 divisors (see below), whose sum is σ = 122137923372. Its totient is φ = 26266220040.

The previous prime is 65665550147. The next prime is 65665550189. The reversal of 65665550150 is 5105556656.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 656655452 + ... + 656655551.

It is an arithmetic number, because the mean of its divisors is an integer number (10178160281).

Almost surely, 2^65665550150 is an apocalyptic number.

65665550150 is a deficient number, since it is larger than the sum of its proper divisors (56472373222).

65665550150 is a wasteful number, since it uses less digits than its factorization.

65665550150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313311015 (or 1313311010 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 65665550150 in words is "sixty-five billion, six hundred sixty-five million, five hundred fifty thousand, one hundred fifty".