16151565655 has 16 divisors (see below), whose sum is σ = 20299792320. Its totient is φ = 12313489408.

The previous prime is 16151565653. The next prime is 16151565713. The reversal of 16151565655 is 55656515161.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16151565655 - 2¹ = 16151565653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16151565653) 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 15 ways as a sum of consecutive naturals, for example, 230122 + ... + 291991.

It is an arithmetic number, because the mean of its divisors is an integer number (1268737020).

Almost surely, 2^16151565655 is an apocalyptic number.

16151565655 is a deficient number, since it is larger than the sum of its proper divisors (4148226665).

16151565655 is a wasteful number, since it uses less digits than its factorization.

16151565655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522410.

The product of its digits is 675000, while the sum is 46.

The spelling of 16151565655 in words is "sixteen billion, one hundred fifty-one million, five hundred sixty-five thousand, six hundred fifty-five".