16011147665 has 8 divisors (see below), whose sum is σ = 20048741568. Its totient is φ = 12252008560.

The previous prime is 16011147643. The next prime is 16011147671. The reversal of 16011147665 is 56674111061.

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

It is not a de Polignac number, because 16011147665 - 2¹² = 16011143569 is a prime.

It is an unprimeable number.

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, 69613571 + ... + 69613800.

It is an arithmetic number, because the mean of its divisors is an integer number (2506092696).

Almost surely, 2^16011147665 is an apocalyptic number.

It is an amenable number.

16011147665 is a deficient number, since it is larger than the sum of its proper divisors (4037593903).

16011147665 is a wasteful number, since it uses less digits than its factorization.

16011147665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139227399.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 16011147665 in words is "sixteen billion, eleven million, one hundred forty-seven thousand, six hundred sixty-five".