665150150128 has 10 divisors (see below), whose sum is σ = 1288728415904. Its totient is φ = 332575075056.

The previous prime is 665150150107. The next prime is 665150150201. The reversal of 665150150128 is 821051051566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20785942176 + ... + 20785942207.

Almost surely, 2^665150150128 is an apocalyptic number.

It is an amenable number.

665150150128 is a deficient number, since it is larger than the sum of its proper divisors (623578265776).

665150150128 is a wasteful number, since it uses less digits than its factorization.

665150150128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41571884391 (or 41571884385 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 40.

The spelling of 665150150128 in words is "six hundred sixty-five billion, one hundred fifty million, one hundred fifty thousand, one hundred twenty-eight".