163434240356 has 12 divisors (see below), whose sum is σ = 301063074480. Its totient is φ = 77416219080.

The previous prime is 163434240353. The next prime is 163434240367. The reversal of 163434240356 is 653042434361.

It is not an unprimeable number, because it can be changed into a prime (163434240353) 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, 1075225190 + ... + 1075225341.

It is an arithmetic number, because the mean of its divisors is an integer number (25088589540).

Almost surely, 2^163434240356 is an apocalyptic number.

It is an amenable number.

163434240356 is a deficient number, since it is larger than the sum of its proper divisors (137628834124).

163434240356 is a wasteful number, since it uses less digits than its factorization.

163434240356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150450554 (or 2150450552 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 163434240356 in words is "one hundred sixty-three billion, four hundred thirty-four million, two hundred forty thousand, three hundred fifty-six".