163425374067 has 4 divisors (see below), whose sum is σ = 217900498760. Its totient is φ = 108950249376.

The previous prime is 163425374023. The next prime is 163425374069. The reversal of 163425374067 is 760473524361.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 163425374067 - 2²² = 163421179763 is a prime.

It is a super-2 number, since 2×163425374067² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163425374069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27237562342 + ... + 27237562347.

It is an arithmetic number, because the mean of its divisors is an integer number (54475124690).

Almost surely, 2^163425374067 is an apocalyptic number.

163425374067 is a deficient number, since it is larger than the sum of its proper divisors (54475124693).

163425374067 is an equidigital number, since it uses as much as digits as its factorization.

163425374067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54475124692.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 163425374067 in words is "one hundred sixty-three billion, four hundred twenty-five million, three hundred seventy-four thousand, sixty-seven".