14020400161 has 4 divisors (see below), whose sum is σ = 14020791552. Its totient is φ = 14020008772.

The previous prime is 14020400137. The next prime is 14020400167. The reversal of 14020400161 is 16100402041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14020400161 - 2¹⁹ = 14019875873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14020400167) 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, 135865 + ... + 215638.

It is an arithmetic number, because the mean of its divisors is an integer number (3505197888).

Almost surely, 2^14020400161 is an apocalyptic number.

It is an amenable number.

14020400161 is a deficient number, since it is larger than the sum of its proper divisors (391391).

14020400161 is an equidigital number, since it uses as much as digits as its factorization.

14020400161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391390.

The product of its (nonzero) digits is 192, while the sum is 19.

The spelling of 14020400161 in words is "fourteen billion, twenty million, four hundred thousand, one hundred sixty-one".