16288235436 has 72 divisors (see below), whose sum is σ = 41938570800. Its totient is φ = 4916510720.

The previous prime is 16288235429. The next prime is 16288235461. The reversal of 16288235436 is 63453288261.

It is a super-2 number, since 2×16288235436² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351340 + ... + 394988.

It is an arithmetic number, because the mean of its divisors is an integer number (582480150).

Almost surely, 2^16288235436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16288235436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20969285400).

16288235436 is an abundant number, since it is smaller than the sum of its proper divisors (25650335364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16288235436 is a wasteful number, since it uses less digits than its factorization.

16288235436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43935 (or 43922 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 48.

The spelling of 16288235436 in words is "sixteen billion, two hundred eighty-eight million, two hundred thirty-five thousand, four hundred thirty-six".