16465205166 has 16 divisors (see below), whose sum is σ = 33488553600. Its totient is φ = 5395377848.

The previous prime is 16465205161. The next prime is 16465205167. The reversal of 16465205166 is 66150256461.

It is a super-2 number, since 2×16465205166² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16465205161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23255586 + ... + 23256293.

It is an arithmetic number, because the mean of its divisors is an integer number (2093034600).

Almost surely, 2^16465205166 is an apocalyptic number.

16465205166 is an abundant number, since it is smaller than the sum of its proper divisors (17023348434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16465205166 is a wasteful number, since it uses less digits than its factorization.

16465205166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46511943.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 16465205166 in words is "sixteen billion, four hundred sixty-five million, two hundred five thousand, one hundred sixty-six".