16403270433201 has 24 divisors (see below), whose sum is σ = 24666761761824. Its totient is φ = 10892962944000.

The previous prime is 16403270433197. The next prime is 16403270433211. The reversal of 16403270433201 is 10233407230461.

16403270433201 is a `hidden beast` number, since 1 + 6 + 4 + 0 + 327 + 0 + 4 + 3 + 320 + 1 = 666.

It is not a de Polignac number, because 16403270433201 - 2² = 16403270433197 is a prime.

It is a super-2 number, since 2×16403270433201² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16403270433211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131266675 + ... + 131391576.

It is an arithmetic number, because the mean of its divisors is an integer number (1027781740076).

Almost surely, 2^{16403270433201} is an apocalyptic number.

It is an amenable number.

16403270433201 is a deficient number, since it is larger than the sum of its proper divisors (8263491328623).

16403270433201 is an equidigital number, since it uses as much as digits as its factorization.

16403270433201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262658523 (or 262658511 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

Adding to 16403270433201 its reverse (10233407230461), we get a palindrome (26636677663662).

The spelling of 16403270433201 in words is "sixteen trillion, four hundred three billion, two hundred seventy million, four hundred thirty-three thousand, two hundred one".