166611156306 has 32 divisors (see below), whose sum is σ = 382929525888. Its totient is φ = 47340184320.

The previous prime is 166611156253. The next prime is 166611156317. The reversal of 166611156306 is 603651116661.

166611156306 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10950775 + ... + 10965978.

It is an arithmetic number, because the mean of its divisors is an integer number (11966547684).

Almost surely, 2^166611156306 is an apocalyptic number.

166611156306 is an abundant number, since it is smaller than the sum of its proper divisors (216318369582).

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

166611156306 is a wasteful number, since it uses less digits than its factorization.

166611156306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21916946.

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 166611156306 in words is "one hundred sixty-six billion, six hundred eleven million, one hundred fifty-six thousand, three hundred six".