16424288756 has 6 divisors (see below), whose sum is σ = 28742505330. Its totient is φ = 8212144376.

The previous prime is 16424288747. The next prime is 16424288767. The reversal of 16424288756 is 65788242461.

It can be written as a sum of positive squares in only one way, i.e., 16177296100 + 246992656 = 127190^2 + 15716^2 .

It is a super-2 number, since 2×16424288756² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16424288698 and 16424288707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2053036091 + ... + 2053036098.

It is an arithmetic number, because the mean of its divisors is an integer number (4790417555).

Almost surely, 2^16424288756 is an apocalyptic number.

It is an amenable number.

16424288756 is a deficient number, since it is larger than the sum of its proper divisors (12318216574).

16424288756 is a wasteful number, since it uses less digits than its factorization.

16424288756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106072193 (or 4106072191 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 53.

The spelling of 16424288756 in words is "sixteen billion, four hundred twenty-four million, two hundred eighty-eight thousand, seven hundred fifty-six".