163806090049 has 8 divisors (see below), whose sum is σ = 191772983808. Its totient is φ = 136980702240.

The previous prime is 163806090043. The next prime is 163806090083. The reversal of 163806090049 is 940090608361.

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

It is a cyclic number.

It is not a de Polignac number, because 163806090049 - 2⁷ = 163806089921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163806089990 and 163806090008.

It is not an unprimeable number, because it can be changed into a prime (163806090043) 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, 285376177 + ... + 285376750.

It is an arithmetic number, because the mean of its divisors is an integer number (23971622976).

Almost surely, 2^163806090049 is an apocalyptic number.

It is an amenable number.

163806090049 is a deficient number, since it is larger than the sum of its proper divisors (27966893759).

163806090049 is an equidigital number, since it uses as much as digits as its factorization.

163806090049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570752975.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 163806090049 in words is "one hundred sixty-three billion, eight hundred six million, ninety thousand, forty-nine".