166467305445700 has 144 divisors (see below), whose sum is σ = 417464618609920. Its totient is φ = 56436049797120.

The previous prime is 166467305445697. The next prime is 166467305445731. The reversal of 166467305445700 is 7544503764661.

It is a super-2 number, since 2×166467305445700² (a number of 29 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 75573337 + ... + 77744863.

Almost surely, 2^{166467305445700} is an apocalyptic number.

166467305445700 is a gapful number since it is divisible by the number (10) 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 166467305445700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208732309304960).

166467305445700 is an abundant number, since it is smaller than the sum of its proper divisors (250997313164220).

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

166467305445700 is a wasteful number, since it uses less digits than its factorization.

166467305445700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172774 (or 2172767 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 58.

The spelling of 166467305445700 in words is "one hundred sixty-six trillion, four hundred sixty-seven billion, three hundred five million, four hundred forty-five thousand, seven hundred".