163115253554 has 16 divisors (see below), whose sum is σ = 269410414176. Its totient is φ = 73450368000.

The previous prime is 163115253503. The next prime is 163115253571. The reversal of 163115253554 is 455352511361.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34644047 + ... + 34648754.

It is an arithmetic number, because the mean of its divisors is an integer number (16838150886).

Almost surely, 2^163115253554 is an apocalyptic number.

163115253554 is a deficient number, since it is larger than the sum of its proper divisors (106295160622).

163115253554 is a wasteful number, since it uses less digits than its factorization.

163115253554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69292921.

The product of its digits is 270000, while the sum is 41.

The spelling of 163115253554 in words is "one hundred sixty-three billion, one hundred fifteen million, two hundred fifty-three thousand, five hundred fifty-four".