166282756220 has 24 divisors (see below), whose sum is σ = 399078615264. Its totient is φ = 57011230656.

The previous prime is 166282756193. The next prime is 166282756231. The reversal of 166282756220 is 22657282661.

It is a happy number.

166282756220 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-2 number, since 2×166282756220² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 593866847 + ... + 593867126.

It is an arithmetic number, because the mean of its divisors is an integer number (16628275636).

Almost surely, 2^166282756220 is an apocalyptic number.

166282756220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166282756220 is an abundant number, since it is smaller than the sum of its proper divisors (232795859044).

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

166282756220 is a wasteful number, since it uses less digits than its factorization.

166282756220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187733989 (or 1187733987 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 166282756220 in words is "one hundred sixty-six billion, two hundred eighty-two million, seven hundred fifty-six thousand, two hundred twenty".