170230532157 has 72 divisors (see below), whose sum is σ = 290234880000. Its totient is φ = 95856239808.

The previous prime is 170230532119. The next prime is 170230532207. The reversal of 170230532157 is 751235032071.

It is a happy number.

170230532157 is a `hidden beast` number, since 1 + 70 + 2 + 3 + 0 + 532 + 1 + 57 = 666.

170230532157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 170230532157 - 2¹⁶ = 170230466621 is a prime.

It is a super-2 number, since 2×170230532157² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170230532057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8334844 + ... + 8355242.

It is an arithmetic number, because the mean of its divisors is an integer number (4031040000).

Almost surely, 2^170230532157 is an apocalyptic number.

It is an amenable number.

170230532157 is a deficient number, since it is larger than the sum of its proper divisors (120004347843).

170230532157 is a wasteful number, since it uses less digits than its factorization.

170230532157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20695 (or 20685 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The spelling of 170230532157 in words is "one hundred seventy billion, two hundred thirty million, five hundred thirty-two thousand, one hundred fifty-seven".