16143711401 has 4 divisors (see below), whose sum is σ = 16338214032. Its totient is φ = 15949208772.

The previous prime is 16143711341. The next prime is 16143711403. The reversal of 16143711401 is 10411734161.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10411734161 = 1637 ⋅6360253.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16143711401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16143711403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97251191 + ... + 97251356.

It is an arithmetic number, because the mean of its divisors is an integer number (4084553508).

Almost surely, 2^16143711401 is an apocalyptic number.

It is an amenable number.

16143711401 is a deficient number, since it is larger than the sum of its proper divisors (194502631).

16143711401 is an equidigital number, since it uses as much as digits as its factorization.

16143711401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194502630.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 16143711401 in words is "sixteen billion, one hundred forty-three million, seven hundred eleven thousand, four hundred one".