163234343155056 has 20 divisors (see below), whose sum is σ = 421688719817352. Its totient is φ = 54411447718336.

The previous prime is 163234343154983. The next prime is 163234343155057. The reversal of 163234343155056 is 650551343432361.

It is a super-3 number, since 3×163234343155056³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163234343155057) 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, 1700357741151 + ... + 1700357741246.

Almost surely, 2^{163234343155056} is an apocalyptic number.

163234343155056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

163234343155056 is an abundant number, since it is smaller than the sum of its proper divisors (258454376662296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163234343155056 is a wasteful number, since it uses less digits than its factorization.

163234343155056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400715482408 (or 3400715482402 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 51.

The spelling of 163234343155056 in words is "one hundred sixty-three trillion, two hundred thirty-four billion, three hundred forty-three million, one hundred fifty-five thousand, fifty-six".