166035852840 has 512 divisors, whose sum is σ = 602717552640. Its totient is φ = 36055756800.

The previous prime is 166035852839. The next prime is 166035852877. The reversal of 166035852840 is 48258530661.

It is a happy number.

It is a super-2 number, since 2×166035852840² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 166035852840.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 102427230 + ... + 102428850.

It is an arithmetic number, because the mean of its divisors is an integer number (1177182720).

Almost surely, 2^166035852840 is an apocalyptic number.

166035852840 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 166035852840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301358776320).

166035852840 is an abundant number, since it is smaller than the sum of its proper divisors (436681699800).

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

166035852840 is a wasteful number, since it uses less digits than its factorization.

166035852840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833 (or 1829 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 166035852840 in words is "one hundred sixty-six billion, thirty-five million, eight hundred fifty-two thousand, eight hundred forty".