163234353640257 has 16 divisors (see below), whose sum is σ = 242689272327360. Its totient is φ = 108435632306400.

The previous prime is 163234353640199. The next prime is 163234353640321. The reversal of 163234353640257 is 752046353432361.

163234353640257 is a `hidden beast` number, since 1 + 6 + 3 + 2 + 3 + 43 + 536 + 40 + 25 + 7 = 666.

It is not a de Polignac number, because 163234353640257 - 2⁷ = 163234353640129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163234353640157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10757495619 + ... + 10757510792.

It is an arithmetic number, because the mean of its divisors is an integer number (15168079520460).

Almost surely, 2^{163234353640257} is an apocalyptic number.

It is an amenable number.

163234353640257 is a deficient number, since it is larger than the sum of its proper divisors (79454918687103).

163234353640257 is a wasteful number, since it uses less digits than its factorization.

163234353640257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21515006701 (or 21515006695 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 54.

The spelling of 163234353640257 in words is "one hundred sixty-three trillion, two hundred thirty-four billion, three hundred fifty-three million, six hundred forty thousand, two hundred fifty-seven".