16165429065 has 16 divisors (see below), whose sum is σ = 28738540800. Its totient is φ = 8621562096.

The previous prime is 16165429003. The next prime is 16165429067. The reversal of 16165429065 is 56092456161.

16165429065 is a `hidden beast` number, since 1 + 6 + 16 + 542 + 90 + 6 + 5 = 666.

It is not a de Polignac number, because 16165429065 - 2⁶ = 16165429001 is a prime.

It is a super-2 number, since 2×16165429065² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16165429065.

It is not an unprimeable number, because it can be changed into a prime (16165429067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59871825 + ... + 59872094.

It is an arithmetic number, because the mean of its divisors is an integer number (1796158800).

Almost surely, 2^16165429065 is an apocalyptic number.

16165429065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16165429065 is a deficient number, since it is larger than the sum of its proper divisors (12573111735).

16165429065 is a wasteful number, since it uses less digits than its factorization.

16165429065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119743933 (or 119743927 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 16165429065 in words is "sixteen billion, one hundred sixty-five million, four hundred twenty-nine thousand, sixty-five".