163240512673 has 16 divisors (see below), whose sum is σ = 187023043584. Its totient is φ = 139573803600.

The previous prime is 163240512671. The next prime is 163240512697. The reversal of 163240512673 is 376215042361.

It is a happy number.

It is not a de Polignac number, because 163240512673 - 2¹ = 163240512671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163240512671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12582436 + ... + 12595402.

It is an arithmetic number, because the mean of its divisors is an integer number (11688940224).

Almost surely, 2^163240512673 is an apocalyptic number.

It is an amenable number.

163240512673 is a deficient number, since it is larger than the sum of its proper divisors (23782530911).

163240512673 is a wasteful number, since it uses less digits than its factorization.

163240512673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17292.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 163240512673 in words is "one hundred sixty-three billion, two hundred forty million, five hundred twelve thousand, six hundred seventy-three".