156166221106207 has 8 divisors (see below), whose sum is σ = 168179109737184. Its totient is φ = 144153347102688.

The previous prime is 156166221106163. The next prime is 156166221106211. The reversal of 156166221106207 is 702601122661651.

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

It is a cyclic number.

It is not a de Polignac number, because 156166221106207 - 2³¹ = 156164073622559 is a prime.

It is a super-2 number, since 2×156166221106207² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156166221106237) 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, 29968173 + ... + 34791145.

It is an arithmetic number, because the mean of its divisors is an integer number (21022388717148).

Almost surely, 2^{156166221106207} is an apocalyptic number.

156166221106207 is a deficient number, since it is larger than the sum of its proper divisors (12012888630977).

156166221106207 is a wasteful number, since it uses less digits than its factorization.

156166221106207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7313729.

The product of its (nonzero) digits is 362880, while the sum is 46.

Adding to 156166221106207 its reverse (702601122661651), we get a palindrome (858767343767858).

The spelling of 156166221106207 in words is "one hundred fifty-six trillion, one hundred sixty-six billion, two hundred twenty-one million, one hundred six thousand, two hundred seven".