163245490523 has 16 divisors (see below), whose sum is σ = 167208457344. Its totient is φ = 159303490560.

The previous prime is 163245490517. The next prime is 163245490543. The reversal of 163245490523 is 325094542361.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 163245490523 - 2³⁰ = 162171748699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163245490543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46414361 + ... + 46417877.

It is an arithmetic number, because the mean of its divisors is an integer number (10450528584).

Almost surely, 2^163245490523 is an apocalyptic number.

163245490523 is a deficient number, since it is larger than the sum of its proper divisors (3962966821).

163245490523 is a wasteful number, since it uses less digits than its factorization.

163245490523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6182.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 163245490523 in words is "one hundred sixty-three billion, two hundred forty-five million, four hundred ninety thousand, five hundred twenty-three".