16143374291 has 18 divisors (see below), whose sum is σ = 18252986076. Its totient is φ = 14159006400.

The previous prime is 16143374227. The next prime is 16143374293. The reversal of 16143374291 is 19247334161.

It is not a de Polignac number, because 16143374291 - 2⁶ = 16143374227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16143374293) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12219911 + ... + 12221231.

It is an arithmetic number, because the mean of its divisors is an integer number (1014054782).

Almost surely, 2^16143374291 is an apocalyptic number.

16143374291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16143374291 is a deficient number, since it is larger than the sum of its proper divisors (2109611785).

16143374291 is an frugal number, since it uses more digits than its factorization.

16143374291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711 (or 1361 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The spelling of 16143374291 in words is "sixteen billion, one hundred forty-three million, three hundred seventy-four thousand, two hundred ninety-one".