16072404360401 has 4 divisors (see below), whose sum is σ = 16072886281572. Its totient is φ = 16071922439232.

The previous prime is 16072404360391. The next prime is 16072404360403. The reversal of 16072404360401 is 10406340427061.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1148592332176 + 14923812028225 = 1071724^2 + 3863135^2 .

It is a cyclic number.

It is not a de Polignac number, because 16072404360401 - 2¹⁰ = 16072404359377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16072404360403) 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, 240910556 + ... + 240977261.

It is an arithmetic number, because the mean of its divisors is an integer number (4018221570393).

Almost surely, 2^{16072404360401} is an apocalyptic number.

It is an amenable number.

16072404360401 is a deficient number, since it is larger than the sum of its proper divisors (481921171).

16072404360401 is an equidigital number, since it uses as much as digits as its factorization.

16072404360401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481921170.

The product of its (nonzero) digits is 96768, while the sum is 38.

Adding to 16072404360401 its reverse (10406340427061), we get a palindrome (26478744787462).

The spelling of 16072404360401 in words is "sixteen trillion, seventy-two billion, four hundred four million, three hundred sixty thousand, four hundred one".