163008509407 has 8 divisors (see below), whose sum is σ = 168677247600. Its totient is φ = 157342954944.

The previous prime is 163008509383. The next prime is 163008509437. The reversal of 163008509407 is 704905800361.

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

It is not a de Polignac number, because 163008509407 - 2¹⁵ = 163008476639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163008509437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691518 + ... + 896779.

It is an arithmetic number, because the mean of its divisors is an integer number (21084655950).

Almost surely, 2^163008509407 is an apocalyptic number.

163008509407 is a deficient number, since it is larger than the sum of its proper divisors (5668738193).

163008509407 is a wasteful number, since it uses less digits than its factorization.

163008509407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591865.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 163008509407 in words is "one hundred sixty-three billion, eight million, five hundred nine thousand, four hundred seven".