16038065281 has 8 divisors (see below), whose sum is σ = 19293913280. Its totient is φ = 13023391248.

The previous prime is 16038065279. The next prime is 16038065287. The reversal of 16038065281 is 18256083061.

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

It is not a de Polignac number, because 16038065281 - 2¹ = 16038065279 is a prime.

It is a super-2 number, since 2×16038065281² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16038065287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60293346 + ... + 60293611.

It is an arithmetic number, because the mean of its divisors is an integer number (2411739160).

Almost surely, 2^16038065281 is an apocalyptic number.

It is an amenable number.

16038065281 is a deficient number, since it is larger than the sum of its proper divisors (3255847999).

16038065281 is a wasteful number, since it uses less digits than its factorization.

16038065281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120586983.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 16038065281 in words is "sixteen billion, thirty-eight million, sixty-five thousand, two hundred eighty-one".