66255250150 has 24 divisors (see below), whose sum is σ = 128592800784. Its totient is φ = 25349834400.

The previous prime is 66255250133. The next prime is 66255250163. The reversal of 66255250150 is 5105255266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28805481 + ... + 28807780.

It is an arithmetic number, because the mean of its divisors is an integer number (5358033366).

Almost surely, 2^66255250150 is an apocalyptic number.

66255250150 is a deficient number, since it is larger than the sum of its proper divisors (62337550634).

66255250150 is a wasteful number, since it uses less digits than its factorization.

66255250150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57613296 (or 57613291 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 66255250150 in words is "sixty-six billion, two hundred fifty-five million, two hundred fifty thousand, one hundred fifty".