166731611046 has 256 divisors, whose sum is σ = 474680328192. Its totient is φ = 37638950400.

The previous prime is 166731610999. The next prime is 166731611119. The reversal of 166731611046 is 640116137661.

166731611046 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 a junction number, because it is equal to n+sod(n) for n = 166731610989 and 166731611007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6876781 + ... + 6900983.

It is an arithmetic number, because the mean of its divisors is an integer number (1854220032).

Almost surely, 2^166731611046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166731611046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237340164096).

166731611046 is an abundant number, since it is smaller than the sum of its proper divisors (307948717146).

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

166731611046 is a wasteful number, since it uses less digits than its factorization.

166731611046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24307.

The product of its (nonzero) digits is 108864, while the sum is 42.

It can be divided in two parts, 166731 and 611046, that added together give a palindrome (777777).

The spelling of 166731611046 in words is "one hundred sixty-six billion, seven hundred thirty-one million, six hundred eleven thousand, forty-six".