163023561145 has 8 divisors (see below), whose sum is σ = 198383601600. Its totient is φ = 128581963440.

The previous prime is 163023561133. The next prime is 163023561157. The reversal of 163023561145 is 541165320361.

It is an interprime number because it is at equal distance from previous prime (163023561133) and next prime (163023561157).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163023561145 - 2⁹ = 163023560633 is a prime.

It is a super-2 number, since 2×163023561145² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229610295 + ... + 229611004.

It is an arithmetic number, because the mean of its divisors is an integer number (24797950200).

Almost surely, 2^163023561145 is an apocalyptic number.

It is an amenable number.

163023561145 is a deficient number, since it is larger than the sum of its proper divisors (35360040455).

163023561145 is an equidigital number, since it uses as much as digits as its factorization.

163023561145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459221375.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 163023561145 in words is "one hundred sixty-three billion, twenty-three million, five hundred sixty-one thousand, one hundred forty-five".