16165065111015 has 8 divisors (see below), whose sum is σ = 25864104177648. Its totient is φ = 8621368059200.

The previous prime is 16165065110959. The next prime is 16165065111043. The reversal of 16165065111015 is 51011156056161.

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

It is not a de Polignac number, because 16165065111015 - 2⁸ = 16165065110759 is a prime.

It is a super-2 number, since 2×16165065111015² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538835503686 + ... + 538835503715.

It is an arithmetic number, because the mean of its divisors is an integer number (3233013022206).

Almost surely, 2^{16165065111015} is an apocalyptic number.

16165065111015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16165065111015 is a deficient number, since it is larger than the sum of its proper divisors (9699039066633).

16165065111015 is a wasteful number, since it uses less digits than its factorization.

16165065111015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077671007409.

The product of its (nonzero) digits is 27000, while the sum is 39.

The spelling of 16165065111015 in words is "sixteen trillion, one hundred sixty-five billion, sixty-five million, one hundred eleven thousand, fifteen".