166546464150 has 96 divisors (see below), whose sum is σ = 450892355328. Its totient is φ = 40347260800.

The previous prime is 166546464143. The next prime is 166546464209. The reversal of 166546464150 is 51464645661.

It is a self number, because there is not a number n which added to its sum of digits gives 166546464150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2429647 + ... + 2497253.

It is an arithmetic number, because the mean of its divisors is an integer number (4696795368).

Almost surely, 2^166546464150 is an apocalyptic number.

166546464150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 166546464150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225446177664).

166546464150 is an abundant number, since it is smaller than the sum of its proper divisors (284345891178).

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

166546464150 is a wasteful number, since it uses less digits than its factorization.

166546464150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69126 (or 69121 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 166546464150 in words is "one hundred sixty-six billion, five hundred forty-six million, four hundred sixty-four thousand, one hundred fifty".