14167401721 has 32 divisors (see below), whose sum is σ = 16024780800. Its totient is φ = 12416426880.

The previous prime is 14167401691. The next prime is 14167401733. The reversal of 14167401721 is 12710476141.

It is not a de Polignac number, because 14167401721 - 2⁷ = 14167401593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14167401421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6418200 + ... + 6420406.

It is an arithmetic number, because the mean of its divisors is an integer number (500774400).

Almost surely, 2^14167401721 is an apocalyptic number.

14167401721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14167401721 is a deficient number, since it is larger than the sum of its proper divisors (1857379079).

14167401721 is a wasteful number, since it uses less digits than its factorization.

14167401721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469.

The product of its (nonzero) digits is 9408, while the sum is 34.

Adding to 14167401721 its reverse (12710476141), we get a palindrome (26877877862).

The spelling of 14167401721 in words is "fourteen billion, one hundred sixty-seven million, four hundred one thousand, seven hundred twenty-one".