163436418201 has 32 divisors (see below), whose sum is σ = 263872512000. Its totient is φ = 87839652096.

The previous prime is 163436418179. The next prime is 163436418209. The reversal of 163436418201 is 102814634361.

It is a happy number.

It is not a de Polignac number, because 163436418201 - 2⁵ = 163436418169 is a prime.

It is a super-2 number, since 2×163436418201² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163436418201.

It is not an unprimeable number, because it can be changed into a prime (163436418209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382440 + ... + 687846.

It is an arithmetic number, because the mean of its divisors is an integer number (8246016000).

Almost surely, 2^163436418201 is an apocalyptic number.

It is an amenable number.

163436418201 is a deficient number, since it is larger than the sum of its proper divisors (100436093799).

163436418201 is a wasteful number, since it uses less digits than its factorization.

163436418201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306933.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 163436418201 in words is "one hundred sixty-three billion, four hundred thirty-six million, four hundred eighteen thousand, two hundred one".