660120634130151 has 4 divisors (see below), whose sum is σ = 880160845506872. Its totient is φ = 440080422753432.

The previous prime is 660120634130117. The next prime is 660120634130161. The reversal of 660120634130151 is 151031436021066.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 660120634130151 - 2¹¹ = 660120634128103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660120634130161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110020105688356 + ... + 110020105688361.

It is an arithmetic number, because the mean of its divisors is an integer number (220040211376718).

Almost surely, 2^{660120634130151} is an apocalyptic number.

660120634130151 is a deficient number, since it is larger than the sum of its proper divisors (220040211376721).

660120634130151 is a wasteful number, since it uses less digits than its factorization.

660120634130151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220040211376720.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 660120634130151 in words is "six hundred sixty trillion, one hundred twenty billion, six hundred thirty-four million, one hundred thirty thousand, one hundred fifty-one".