16165170012 has 12 divisors (see below), whose sum is σ = 37718730056. Its totient is φ = 5388390000.

The previous prime is 16165170011. The next prime is 16165170013. The reversal of 16165170012 is 21007156161.

It is an interprime number because it is at equal distance from previous prime (16165170011) and next prime (16165170013).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×16165170012² (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 (16165170011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673548739 + ... + 673548762.

Almost surely, 2^16165170012 is an apocalyptic number.

16165170012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16165170012 is an abundant number, since it is smaller than the sum of its proper divisors (21553560044).

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

16165170012 is a wasteful number, since it uses less digits than its factorization.

16165170012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347097508 (or 1347097506 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The spelling of 16165170012 in words is "sixteen billion, one hundred sixty-five million, one hundred seventy thousand, twelve".