16125887833 has 4 divisors (see below), whose sum is σ = 17591877648. Its totient is φ = 14659898020.

The previous prime is 16125887819. The next prime is 16125887849. The reversal of 16125887833 is 33878852161.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-16125887833 is a prime.

It is a super-3 number, since 3×16125887833³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16125887333) 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, 732994891 + ... + 732994912.

It is an arithmetic number, because the mean of its divisors is an integer number (4397969412).

Almost surely, 2^16125887833 is an apocalyptic number.

It is an amenable number.

16125887833 is a deficient number, since it is larger than the sum of its proper divisors (1465989815).

16125887833 is a wasteful number, since it uses less digits than its factorization.

16125887833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465989814.

The product of its digits is 1935360, while the sum is 52.

The spelling of 16125887833 in words is "sixteen billion, one hundred twenty-five million, eight hundred eighty-seven thousand, eight hundred thirty-three".