166011156056011 has 8 divisors (see below), whose sum is σ = 192942747959040. Its totient is φ = 139883492269608.

The previous prime is 166011156055897. The next prime is 166011156056023. The reversal of 166011156056011 is 110650651110661.

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 166011156056011 - 2²³ = 166011147667403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166011156056041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200982028711 + ... + 200982029536.

It is an arithmetic number, because the mean of its divisors is an integer number (24117843494880).

Almost surely, 2^{166011156056011} is an apocalyptic number.

166011156056011 is a deficient number, since it is larger than the sum of its proper divisors (26931591903029).

166011156056011 is an equidigital number, since it uses as much as digits as its factorization.

166011156056011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401964058313.

The product of its (nonzero) digits is 32400, while the sum is 40.

The spelling of 166011156056011 in words is "one hundred sixty-six trillion, eleven billion, one hundred fifty-six million, fifty-six thousand, eleven".