156166550012 has 24 divisors (see below), whose sum is σ = 298788556080. Its totient is φ = 70829458560.

The previous prime is 156166550011. The next prime is 156166550027. The reversal of 156166550012 is 210055661651.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156166550011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3863087 + ... + 3903302.

It is an arithmetic number, because the mean of its divisors is an integer number (12449523170).

Almost surely, 2^156166550012 is an apocalyptic number.

It is an amenable number.

156166550012 is a deficient number, since it is larger than the sum of its proper divisors (142622006068).

156166550012 is a wasteful number, since it uses less digits than its factorization.

156166550012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7766861 (or 7766859 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 156166550012 in words is "one hundred fifty-six billion, one hundred sixty-six million, five hundred fifty thousand, twelve".