166019950240 has 48 divisors (see below), whose sum is σ = 395887800672. Its totient is φ = 65787337984.

The previous prime is 166019950193. The next prime is 166019950241. The reversal of 166019950240 is 42059910661.

166019950240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×166019950240³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (166019950241) 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 7 ways as a sum of consecutive naturals, for example, 4831594 + ... + 4865833.

It is an arithmetic number, because the mean of its divisors is an integer number (8247662514).

Almost surely, 2^166019950240 is an apocalyptic number.

166019950240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166019950240 is an abundant number, since it is smaller than the sum of its proper divisors (229867850432).

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

166019950240 is a wasteful number, since it uses less digits than its factorization.

166019950240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9697549 (or 9697541 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 166019950240 in words is "one hundred sixty-six billion, nineteen million, nine hundred fifty thousand, two hundred forty".