16166326368 has 24 divisors (see below), whose sum is σ = 42436606968. Its totient is φ = 5388775424.

The previous prime is 16166326361. The next prime is 16166326391. The reversal of 16166326368 is 86362366161.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×16166326368² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16166326361) 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, 84199521 + ... + 84199712.

It is an arithmetic number, because the mean of its divisors is an integer number (1768191957).

Almost surely, 2^16166326368 is an apocalyptic number.

It is an amenable number.

16166326368 is an abundant number, since it is smaller than the sum of its proper divisors (26270280600).

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

16166326368 is a wasteful number, since it uses less digits than its factorization.

16166326368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168399246 (or 168399238 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 48.

The spelling of 16166326368 in words is "sixteen billion, one hundred sixty-six million, three hundred twenty-six thousand, three hundred sixty-eight".