16012166715 has 24 divisors (see below), whose sum is σ = 27761042400. Its totient is φ = 8537785344.

The previous prime is 16012166713. The next prime is 16012166741. The reversal of 16012166715 is 51766121061.

It is a happy number.

It is not a de Polignac number, because 16012166715 - 2¹ = 16012166713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16012166715.

It is not an unprimeable number, because it can be changed into a prime (16012166713) 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 23 ways as a sum of consecutive naturals, for example, 158811 + ... + 239259.

It is an arithmetic number, because the mean of its divisors is an integer number (1156710100).

Almost surely, 2^16012166715 is an apocalyptic number.

16012166715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16012166715 is a deficient number, since it is larger than the sum of its proper divisors (11748875685).

16012166715 is a wasteful number, since it uses less digits than its factorization.

16012166715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84883 (or 84880 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

Adding to 16012166715 its reverse (51766121061), we get a palindrome (67778287776).

The spelling of 16012166715 in words is "sixteen billion, twelve million, one hundred sixty-six thousand, seven hundred fifteen".