16115164655 has 4 divisors (see below), whose sum is σ = 19338197592. Its totient is φ = 12892131720.

The previous prime is 16115164633. The next prime is 16115164699. The reversal of 16115164655 is 55646151161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55646151161 = 47 ⋅1183960663.

It is not a de Polignac number, because 16115164655 - 2⁶ = 16115164591 is a prime.

It is a super-2 number, since 2×16115164655² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1611516461 + ... + 1611516470.

It is an arithmetic number, because the mean of its divisors is an integer number (4834549398).

Almost surely, 2^16115164655 is an apocalyptic number.

16115164655 is a deficient number, since it is larger than the sum of its proper divisors (3223032937).

16115164655 is an equidigital number, since it uses as much as digits as its factorization.

16115164655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223032936.

The product of its digits is 108000, while the sum is 41.

The spelling of 16115164655 in words is "sixteen billion, one hundred fifteen million, one hundred sixty-four thousand, six hundred fifty-five".