163112890523 has 16 divisors (see below), whose sum is σ = 180067276800. Its totient is φ = 146515174080.

The previous prime is 163112890519. The next prime is 163112890547. The reversal of 163112890523 is 325098211361.

163112890523 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 163112890523 - 2² = 163112890519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163112890553) 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 15 ways as a sum of consecutive naturals, for example, 1350890 + ... + 1466672.

It is an arithmetic number, because the mean of its divisors is an integer number (11254204800).

Almost surely, 2^163112890523 is an apocalyptic number.

163112890523 is a deficient number, since it is larger than the sum of its proper divisors (16954386277).

163112890523 is a wasteful number, since it uses less digits than its factorization.

163112890523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117322.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 163112890523 in words is "one hundred sixty-three billion, one hundred twelve million, eight hundred ninety thousand, five hundred twenty-three".