16166156066 has 8 divisors (see below), whose sum is σ = 24249821904. Its totient is φ = 8082882100.

The previous prime is 16166156063. The next prime is 16166156077. The reversal of 16166156066 is 66065166161.

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

It is a super-2 number, since 2×16166156066² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16166156063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49661 + ... + 186543.

It is an arithmetic number, because the mean of its divisors is an integer number (3031227738).

Almost surely, 2^16166156066 is an apocalyptic number.

16166156066 is a deficient number, since it is larger than the sum of its proper divisors (8083665838).

16166156066 is a wasteful number, since it uses less digits than its factorization.

16166156066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195936.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 16166156066 in words is "sixteen billion, one hundred sixty-six million, one hundred fifty-six thousand, sixty-six".