16147120437 has 12 divisors (see below), whose sum is σ = 26655564000. Its totient is φ = 9226925928.

The previous prime is 16147120357. The next prime is 16147120439. The reversal of 16147120437 is 73402174161.

16147120437 is a `hidden beast` number, since 1 + 61 + 47 + 120 + 437 = 666.

It is not a de Polignac number, because 16147120437 - 2¹⁰ = 16147119413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16147120439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128151687 + ... + 128151812.

It is an arithmetic number, because the mean of its divisors is an integer number (2221297000).

Almost surely, 2^16147120437 is an apocalyptic number.

It is an amenable number.

16147120437 is a deficient number, since it is larger than the sum of its proper divisors (10508443563).

16147120437 is a wasteful number, since it uses less digits than its factorization.

16147120437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256303512 (or 256303509 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

Adding to 16147120437 its reverse (73402174161), we get a palindrome (89549294598).

The spelling of 16147120437 in words is "sixteen billion, one hundred forty-seven million, one hundred twenty thousand, four hundred thirty-seven".