418203900329161 has 8 divisors (see below), whose sum is σ = 418233557406600. Its totient is φ = 418174244167680.

The previous prime is 418203900329147. The next prime is 418203900329179. The reversal of 418203900329161 is 161923009302814.

It can be written as a sum of positive squares in 4 ways, for example, as 28400319348025 + 389803580981136 = 5329195^2 + 19743444^2 .

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 418203900329161 - 2²³ = 418203891940553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (418203900329561) 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, 1090332105 + ... + 1090715593.

It is an arithmetic number, because the mean of its divisors is an integer number (52279194675825).

Almost surely, 2^{418203900329161} is an apocalyptic number.

It is an amenable number.

418203900329161 is a deficient number, since it is larger than the sum of its proper divisors (29657077439).

418203900329161 is a wasteful number, since it uses less digits than its factorization.

418203900329161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457979.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 418203900329161 in words is "four hundred eighteen trillion, two hundred three billion, nine hundred million, three hundred twenty-nine thousand, one hundred sixty-one".