166245743352 has 128 divisors (see below), whose sum is σ = 452387980800. Its totient is φ = 50604922368.

The previous prime is 166245743351. The next prime is 166245743357. The reversal of 166245743352 is 253347542661.

It is a happy number.

166245743352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166245743351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27672333 + ... + 27678339.

It is an arithmetic number, because the mean of its divisors is an integer number (3534281100).

Almost surely, 2^166245743352 is an apocalyptic number.

166245743352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166245743352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226193990400).

166245743352 is an abundant number, since it is smaller than the sum of its proper divisors (286142237448).

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

166245743352 is a wasteful number, since it uses less digits than its factorization.

166245743352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965 (or 6961 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 48.

The spelling of 166245743352 in words is "one hundred sixty-six billion, two hundred forty-five million, seven hundred forty-three thousand, three hundred fifty-two".