16128302735 has 8 divisors (see below), whose sum is σ = 19427554080. Its totient is φ = 12853581664.

The previous prime is 16128302683. The next prime is 16128302737. The reversal of 16128302735 is 53720382161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16128302735 - 2¹⁰ = 16128301711 is a prime.

It is a super-2 number, since 2×16128302735² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16128302737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6131120 + ... + 6133749.

It is an arithmetic number, because the mean of its divisors is an integer number (2428444260).

Almost surely, 2^16128302735 is an apocalyptic number.

16128302735 is a deficient number, since it is larger than the sum of its proper divisors (3299251345).

16128302735 is a wasteful number, since it uses less digits than its factorization.

16128302735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12265137.

The product of its (nonzero) digits is 60480, while the sum is 38.

Adding to 16128302735 its reverse (53720382161), we get a palindrome (69848684896).

The spelling of 16128302735 in words is "sixteen billion, one hundred twenty-eight million, three hundred two thousand, seven hundred thirty-five".