155601101166 has 16 divisors (see below), whose sum is σ = 355659659904. Its totient is φ = 44457457464.

The previous prime is 155601101101. The next prime is 155601101189. The reversal of 155601101166 is 661101106551.

It is a congruent number.

It is an unprimeable number.

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, 1852394020 + ... + 1852394103.

It is an arithmetic number, because the mean of its divisors is an integer number (22228728744).

Almost surely, 2^155601101166 is an apocalyptic number.

155601101166 is an abundant number, since it is smaller than the sum of its proper divisors (200058558738).

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

155601101166 is a wasteful number, since it uses less digits than its factorization.

155601101166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704788135.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 155601101166 in words is "one hundred fifty-five billion, six hundred one million, one hundred one thousand, one hundred sixty-six".