16001156166 has 64 divisors (see below), whose sum is σ = 35247674880. Its totient is φ = 4820048640.

The previous prime is 16001156159. The next prime is 16001156167. The reversal of 16001156166 is 66165110061.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16001156167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 969826 + ... + 986186.

It is an arithmetic number, because the mean of its divisors is an integer number (550744920).

Almost surely, 2^16001156166 is an apocalyptic number.

16001156166 is an abundant number, since it is smaller than the sum of its proper divisors (19246518714).

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

16001156166 is a wasteful number, since it uses less digits than its factorization.

16001156166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16781.

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 16001156166 in words is "sixteen billion, one million, one hundred fifty-six thousand, one hundred sixty-six".