660158617727151 has 96 divisors (see below), whose sum is σ = 1043795158548480. Its totient is φ = 400251387571200.

The previous prime is 660158617727131. The next prime is 660158617727171. The reversal of 660158617727151 is 151727716851066.

660158617727151 is a `hidden beast` number, since 6 + 6 + 0 + 1 + 5 + 8 + 617 + 7 + 2 + 7 + 1 + 5 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (660158617727131) and next prime (660158617727171).

It is not a de Polignac number, because 660158617727151 - 2¹⁸ = 660158617465007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660158617727131) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9724913656 + ... + 9724981538.

It is an arithmetic number, because the mean of its divisors is an integer number (10872866234880).

Almost surely, 2^{660158617727151} is an apocalyptic number.

660158617727151 is a deficient number, since it is larger than the sum of its proper divisors (383636540821329).

660158617727151 is a wasteful number, since it uses less digits than its factorization.

660158617727151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70997 (or 70994 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 63.

The spelling of 660158617727151 in words is "six hundred sixty trillion, one hundred fifty-eight billion, six hundred seventeen million, seven hundred twenty-seven thousand, one hundred fifty-one".